HomeServicesGSTSpecialised Returns (GSTR-5 NRTP, GSTR-5A OIDAR, GSTR-6 ISD, GSTR-7 TDS, GSTR-8 TCS)

GST · GST Return Filing & Compliance

Specialised Returns (GSTR-5 NRTP, GSTR-5A OIDAR, GSTR-6 ISD, GSTR-7 TDS, GSTR-8 TCS)

GSTR-5, GSTR-5A, GSTR-6, GSTR-7, and GSTR-8 are not variants of the standard GSTR-1/GSTR-3B cycle — they are separate statutory return regimes built for five distinct categories of GST registrant: Non-Resident Taxable Persons (NRTP), Online Information and Database Access or Retrieval (OIDAR) service providers, Input Service Distributors (ISD), TDS deductors under Section 51, and e-commerce operators collecting TCS under Section 52.

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GSTR-5, GSTR-5A, GSTR-6, GSTR-7, and GSTR-8 are not variants of the standard GSTR-1/GSTR-3B cycle — they are separate statutory return regimes built for five distinct categories of GST registrant: Non-Resident Taxable Persons (NRTP), Online Information and Database Access or Retrieval (OIDAR) service providers, Input Service Distributors (ISD), TDS deductors under Section 51, and e-commerce operators collecting TCS under Section 52. Each carries its own due date, its own form structure, and its own penalty exposure — and each is filed far less often by most CA firms than mainstream monthly returns, which is exactly why errors are common. At PNPC Global, we have managed specialised GST return portfolios for businesses and government-linked entities across Chennai, Bangalore, Hyderabad, and Dubai since 2017. We do not treat these as edge-case filings. We track the NRTP registration validity window before it lapses, reconcile ISD input credit distribution against every recipient GSTIN, verify TDS/TCS certificates the deductee actually needs, and file OIDAR returns for offshore digital service providers who often have no other India compliance touchpoint. Specialised returns require specialised attention — that is what we bring.

What it costs

Govt. feesGovernment & statutory fees as applicable to your case
Professional feeFixed professional fee — confirmed in writing before we start

No hidden charges. The exact figure is set in your engagement letter.

What Specialised Returns (GSTR-5 NRTP, GSTR-5A OIDAR, GSTR-6 ISD, GSTR-7 TDS, GSTR-8 TCS) is

Under the CGST Act 2017 and the CGST Rules 2017, certain categories of GST registrants file returns outside the standard GSTR-1/GSTR-3B monthly cycle because their business model, registration type, or statutory role does not fit the regular taxpayer framework. GSTR-5 is filed by a Non-Resident Taxable Person (NRTP) — a person who occasionally undertakes taxable transactions in India without a fixed place of business here, such as a foreign exhibitor at a trade fair or a short-term service provider. GSTR-5A is filed by Online Information and Database Access or Retrieval (OIDAR) service providers — offshore entities supplying digital services (streaming, e-books, cloud software, online gaming, and similar) to non-taxable recipients in India, registered under the simplified OIDAR registration scheme rather than standard GST registration. GSTR-6 is filed by an Input Service Distributor (ISD) — an office of a business that receives invoices for input services on behalf of its branches and distributes the input tax credit (ITC) proportionately to those branches by GSTIN. GSTR-7 is filed by any deductor required to deduct TDS under Section 51 of the CGST Act — principally government departments, local authorities, and specified categories of persons making payments above the threshold to a GST-registered supplier. GSTR-8 is filed by an e-commerce operator required to collect TCS under Section 52 of the CGST Act on the net value of taxable supplies made through its platform by other sellers.

What unites these five returns is that each registrant type exists to serve a specific structural gap in the GST framework rather than to report the registrant's own primary sales activity in the way a regular dealer's GSTR-1 does. An NRTP's GSTR-5 reports transactions during a registration validity period that is itself time-bound and must be renewed or allowed to lapse deliberately. An OIDAR supplier's GSTR-5A exists because a foreign digital-service provider with no Indian establishment would otherwise fall outside India's GST net on B2C digital supplies — the return closes that gap by taxing the supply at the point of consumption. An ISD's GSTR-6 exists purely to allocate credit that has already been paid — the ISD itself typically has no output tax liability of its own from this activity; it is a credit-distribution mechanism, not a sales-reporting one. GSTR-7 and GSTR-8 exist because the deductor/collector is not the taxpayer whose liability is being reported — they are withholding agents reporting tax collected on behalf of a third party (the supplier or seller), similar in concept to TDS under the Income Tax Act but operating within the GST framework under Sections 51 and 52 of the CGST Act.

Each of these returns carries statutory certificate obligations that flow to a third party. A TDS deductor under GSTR-7 must issue a TDS certificate in Form GSTR-7A to the deductee, generated automatically once GSTR-7 is filed and the deductee can view the credited amount in their GSTR-2B/electronic cash ledger. Similarly, TCS collected and reported in GSTR-8 reflects in the seller's electronic cash ledger as a claimable credit against their own output tax liability. This means that errors, omissions, or late filing by the deductor/collector under these returns do not just create the filer's own compliance exposure — they delay or block a third party's legitimate credit, which is a recurring source of business disputes between principals and their withholding counterparties.

Due dates and thresholds for all five returns are fixed by CGST Rules and periodically clarified by CBIC notifications and circulars — they are not negotiable dates a business can push out. NRTP registration itself is valid only for the period specified in the registration application or 90 days from the effective date of registration, whichever is earlier, and is extendable only once for a further period as permitted by the proper officer, with advance tax deposit required upfront based on estimated liability. OIDAR registration for offshore suppliers follows a simplified scheme (Form GST REG-10) precisely because these entities may have no fixed establishment or authorised signatory physically present in India. ISD registration is a distinct registration category under Section 24, mandatory for any office that intends to distribute common input service credit — a business cannot distribute ITC without holding this specific registration. Because each of these five return types is filed by a comparatively small, specialised population of registrants, generalist accounting teams and standard GST-filing software workflows frequently mishandle them — which is precisely the gap PNPC's specialised-returns practice is built to close.

When your business needs specialised GST return filing

You are a foreign or out-of-state business undertaking occasional taxable supplies in India without a fixed place of business — trade fairs, exhibitions, short-term project work, or event-based services — requiring NRTP registration and GSTR-5

You are an offshore entity supplying digital content, streaming, cloud software, e-books, online gaming, or similar OIDAR services to non-business consumers in India, requiring OIDAR registration and GSTR-5A

Your business has a head office or central procurement office that receives common input service invoices (audit fees, software licences, group insurance, consultancy) on behalf of multiple branch GSTINs and needs to distribute that credit under an ISD registration and GSTR-6

You are a government department, PSU, local authority, or a specified body notified as a TDS deductor under Section 51, making payments above the threshold to GST-registered suppliers under a taxable contract

You operate an e-commerce platform through which other sellers supply goods or services and collect payment on their behalf, making you liable to collect TCS under Section 52 and file GSTR-8

You need to correctly issue GSTR-7A TDS certificates or ensure TCS collected under GSTR-8 correctly reflects in your sellers' electronic cash ledger, avoiding vendor disputes over blocked credit

When the standard GST return cycle applies instead

You are a regular India-resident taxpayer supplying goods or services domestically with a fixed place of business — you file GSTR-1 and GSTR-3B (or the QRMP quarterly-with-monthly-payment variant), not any of the specialised returns

You have opted for the Composition Scheme under Section 10 — you file CMP-08 quarterly and GSTR-4 annually instead of any of GSTR-5/5A/6/7/8

Your business receives input services directly against its own GSTIN without any need to distribute credit to other branches — you claim ITC directly in your own GSTR-3B and do not need ISD registration

Your organisation makes payments to GST-registered suppliers but is not specifically notified as a Section 51 TDS deductor — most private-sector businesses are not covered and should not attempt to deduct GST TDS without confirming applicability

You run an e-commerce presence but only sell your own goods/services (not facilitating third-party sellers) — you are not an 'e-commerce operator' for TCS purposes and file standard GSTR-1/GSTR-3B instead

Your annual return and reconciliation needs (GSTR-9/9C) are the concern — that is covered under PNPC's separate GST Annual Return service, not this specialised-returns engagement

Structure Comparison

GSTR-5 vs GSTR-5A vs GSTR-6 vs GSTR-7 vs GSTR-8 — who files what, and why

FeatureGSTR-5 (NRTP)GSTR-5A (OIDAR)GSTR-6 (ISD)GSTR-7 (TDS)GSTR-8 (TCS)
Filed byNon-Resident Taxable PersonOffshore OIDAR service providerInput Service DistributorNotified TDS deductor (Sec 51)E-commerce operator (Sec 52)
Underlying registrationSpecial NRTP registration (Form GST REG-09)Simplified OIDAR registration (Form GST REG-10)ISD registration under Sec 24Standard/TAN-linked GSTIN as deductorStandard GSTIN as e-commerce operator
What it reportsOutward/inward supplies and tax during the NRTP registration validity periodValue of OIDAR digital supplies made to non-taxable recipients in IndiaInput service credit received and its distribution across recipient GSTINsTax deducted at source on payments to registered suppliersNet value of supplies made through the platform and TCS collected
Filing frequencyMonthly (or for the registration validity period, if shorter)MonthlyMonthlyMonthlyMonthly
Standard due date20th of the following month (or within 7 days of registration validity expiry, if earlier)20th of the following month13th of the following month10th of the following month10th of the following month
Own output tax liability?Yes — pays tax on its own India transactionsYes — pays tax on OIDAR supplies madeNo — pure credit pass-through, no output tax of its own on this activityNo — deducts and deposits tax on another party's behalfNo — collects and deposits tax on another party's behalf
Third-party document generatedNone specific — supplier's own returnNone specific — supplier's own returnITC auto-populates in recipient GSTINs' GSTR-2B/2AGSTR-7A TDS certificate for the deducteeTCS credit reflects in seller's electronic cash ledger
Advance tax deposit requiredYes — estimated liability deposited before registration is grantedNot applicable in the same way — no advance deposit regimeNot applicable — no tax payment, only credit distributionNot applicable — deducted only when payment is madeNot applicable — collected only when consideration is settled
Typical filer profileForeign exhibitor, short-term contractor, event-based supplier with no fixed India establishmentStreaming platforms, SaaS providers, e-book/gaming platforms based outside India serving Indian consumersCorporate head office, shared-services centre, group procurement officeGovernment departments, PSUs, local authorities, specified notified personsMarketplace and aggregator platforms (not sellers of their own inventory)
Registration cap/limitValid for period applied for, max 90 days, extendable onceNo fixed validity cap tied to a business eventNo validity cap — ongoing registrationNo validity cap — ongoing registrationNo validity cap — ongoing registration
ITC available to filerYes, on inputs/input services used for taxable supply in India, subject to conditionsNot applicable — supplier typically has no India-side purchases to claim againstNot applicable — ISD only distributes, does not claim for its own consumptionNot applicable — deductor is not availing ITC through this filingNot applicable — operator is not availing ITC through this filing
Common compliance failure PNPC seesRegistration allowed to lapse mid-event; advance tax estimate significantly off actualReturn not filed at all — offshore providers often unaware of the obligation until a notice arrivesCredit distributed to the wrong GSTIN or in a wrongly apportioned ratioGSTR-7A certificate never generated/shared, leaving deductee's credit disputedTCS collected but GSTR-8 not reconciled against actual platform settlement data

This table gives directional guidance only. Whether your business needs one, several, or none of these returns depends on your exact registration category, business model, and the specific notifications applicable to your sector. A consultation with a practising CA is the appropriate first step before assuming applicability either way.

How it works
#Stage & What PNPC DoesCA Advice Portals Never GiveTimeline
1Applicability Assessment — Which of the five returns actually apply to youMany businesses assume they need a specialised return when they do not, or miss one they genuinely do. We map your actual registration category (NRTP/OIDAR/ISD/TDS-notified/e-commerce operator) against the statutory definitions in Sections 24, 51, 52 and the OIDAR rules before recommending any filing regime — rather than defaulting to whatever a software template suggests.Day 1–2
2Registration Verification or Fresh Registration — Confirming the correct registration category is in placeGSTR-5 cannot be filed without valid NRTP registration (Form GST REG-09); GSTR-5A requires OIDAR registration (Form GST REG-10); GSTR-6 requires ISD registration under Section 24. Filing a specialised return without the matching registration category active is not possible on the GST portal — the registration must precede the return. We verify or initiate the correct registration first.Day 2–10 depending on registration type
3NRTP Advance Tax Estimation (where applicable) — Estimating liability before registration is even grantedNRTP registration is conditional on an advance deposit of estimated tax liability for the registration period. Under-estimating creates a liability gap discovered only at GSTR-5 filing; over-estimating locks up working capital unnecessarily. We build a defensible estimate from your actual contracted India activity — not a generic guess.Before registration is granted
4OIDAR Applicability Review (where applicable) — Confirming your digital supply actually meets the OIDAR definitionNot every digital service is OIDAR — the definition under the IGST Act requires supply that is essentially automated, delivered over the internet, and involves minimal human intervention. Getting this wrong either creates unnecessary compliance or, worse, leaves a genuine OIDAR liability unaddressed until a notice arrives from DGGI or the jurisdictional officer.Day 3–7
5ISD Credit Mapping (where applicable) — Building the recipient-GSTIN distribution logicCredit must be distributed to recipient GSTINs in the same proportion as their turnover in the relevant period (or as prescribed for specific input service categories), not arbitrarily or equally. We build and maintain the ISD distribution working — turnover ratios, invoice-level mapping, and recipient GSTIN validation — before the first GSTR-6 is filed.Ongoing, refreshed each period
6TDS/TCS Threshold & Notification Check (where applicable) — Confirming you are actually coveredSection 51 TDS applies only to specifically notified categories of deductors (government departments, PSUs, and other notified persons) on contracts above the prescribed value threshold. Section 52 TCS applies only to entities that meet the statutory definition of an 'e-commerce operator' facilitating supply by other persons. We confirm applicability against the current notifications before any deduction/collection begins — over-deducting creates disputes with suppliers; under-deducting creates the deductor's own exposure.Day 2–5
7Monthly Data Preparation — Building the return dataset from source recordsGSTR-5 needs outward/inward supply details for the NRTP period; GSTR-5A needs state-wise OIDAR supply value; GSTR-6 needs input service invoice-level data with recipient allocation; GSTR-7 needs deductee-wise payment and deduction detail; GSTR-8 needs seller-wise, transaction-wise supply and TCS detail. Each has a different data shape — we build the source-data template specific to each return type rather than forcing all five into one generic export.Monthly, ahead of each due date
8Return Filing & Portal Submission — GSTN portal filing with DSC/EVC as applicableWe file directly on the GST portal, applying digital signature or EVC as required for the entity type, and retain acknowledgement and ARN records for audit trail purposes.By the statutory due date each month (10th/13th/20th depending on return)
9GSTR-7A Certificate Issuance (for TDS deductors) — Generating and sharing the deductee certificateGSTR-7A is auto-generated on the portal once GSTR-7 is filed and payment is made, but it must be downloaded and actively shared with the deductee — it does not push automatically to their inbox. We track this as a distinct post-filing step so deductees are not left chasing their own credit.Immediately after GSTR-7 filing
10TCS Reconciliation (for e-commerce operators) — Matching GSTR-8 data to seller settlement recordsTCS reported in GSTR-8 must tie back to actual platform settlement records seller-by-seller. Mismatches surface as seller disputes when their GSTR-2B credit does not match what they expected. We reconcile before filing, not after a seller complaint arrives.Before each GSTR-8 filing
11Notice & Query Handling — Responding to department queries on specialised filingsBecause these returns are filed by a smaller population, department scrutiny (ASMT-10, DRC-01A) on specialised filers tends to focus on registration validity, credit distribution ratios, and TDS/TCS threshold applicability. We handle these responses directly, drawing on the working papers built during monthly filing rather than reconstructing history under notice pressure.As needed
12NRTP Registration Renewal or Closure (where applicable) — Managing the registration lifecycleNRTP registration is time-bound and does not auto-renew. We track the validity window and manage either a formal extension application (permitted once, for a further period as allowed by the proper officer) or an orderly closure with final GSTR-5 filing and any refund of excess advance tax deposited.Tracked against each registration's specific validity date

Because these five returns each serve a distinct, comparatively small population of registrants, realistic engagement timelines vary widely by return type — an NRTP engagement may run only a few weeks for a single event, while an ISD or e-commerce operator engagement is an ongoing monthly retainer. PNPC scopes each engagement to the actual registration category and filing cadence involved.

Document Checklist
For GSTR-5 (Non-Resident Taxable Person)

Copy of NRTP registration certificate (Form GST REG-06) confirming registration validity period

Passport and visa details of the authorised signatory (for individual NRTPs) or incorporation documents of the foreign entity

Details of the India-based authorised representative, if appointed, along with their PAN and authorisation letter

Invoice-level record of all outward supplies made in India during the registration validity period

Invoice-level record of inward supplies (purchases/imports) on which ITC is being claimed, with supporing tax invoices or bills of entry

Bank account details for the India transaction (or confirmation of the advance tax deposit already made at registration)

Details of any goods imported into India for the purpose of the taxable supply, including bill of entry references

For GSTR-5A (OIDAR Service Provider)

Copy of OIDAR registration certificate (Form GST REG-10)

State-wise breakup of the value of digital supplies made to non-taxable recipients in India during the return period

Evidence supporting the recipient's location determination (billing address, IP address, payment method, bank details, or SIM country code) used to establish supplies as being made in India

Confirmation that recipients are non-taxable persons (B2C) — if any supply is in fact to a GST-registered business (B2B), that transaction is reported differently, typically under reverse charge by the recipient

Payment gateway or platform settlement reports supporting the declared supply value

Details of the authorised signatory/representative in India, if one has been appointed for compliance purposes

For GSTR-6 (Input Service Distributor)

Copy of ISD registration certificate confirming registration under Section 24

Invoice-level record of all input services received at the ISD office/location during the period

List of recipient GSTINs (branch/unit GSTINs) eligible to receive distributed credit, with their applicable turnover figures for the distribution ratio calculation

ISD invoice (or ISD credit note, if applicable) generated for each distribution made to a recipient GSTIN

Working papers showing the credit distribution ratio calculation and the basis used (turnover-based apportionment as prescribed under the CGST Rules)

Any ineligible credit (blocked under Section 17(5)) that must be excluded from distribution, identified and segregated before allocation

For GSTR-7 (TDS Deductor under Section 51)

Confirmation of notification status as a Section 51 TDS deductor (government department, PSU, local authority, or other specifically notified category)

Contract-wise and payment-wise record of amounts paid or credited to GST-registered suppliers where the contract value exceeds the prescribed threshold

Deductee GSTIN details for every supplier from whom tax has been deducted

TDS deduction working showing the rate applied (1% CGST + 1% SGST, or 2% IGST, on the taxable value of supply, excluding GST component) and amount deducted per transaction

Bank challan/payment proof of TDS deposited to the government account

Record of GSTR-7A certificates generated and shared with each deductee for the period

For GSTR-8 (E-commerce Operator collecting TCS under Section 52)

Confirmation of registration as an e-commerce operator liable to collect TCS under Section 52

Seller-wise and transaction-wise record of the net value of taxable supplies made through the platform (gross supply value less returns/cancellations)

TCS collection working showing the rate applied on the net taxable value and amount collected per seller

Seller GSTIN details for every seller from whom TCS has been collected

Bank challan/payment proof of TCS deposited to the government account

Platform settlement reports reconciled against the GSTR-8 supply and TCS figures to confirm no seller-side mismatch

Common Documents Across All Specialised Filers

Digital Signature Certificate (DSC) or access to EVC-based OTP authentication for the authorised signatory filing on the GST portal

Login credentials for the GST common portal for the specific GSTIN/registration category

Prior period return copies and acknowledgement/ARN records for continuity and audit trail

Any department notice, query, or communication received in relation to the specialised registration, shared promptly for timely response

Ongoing obligations
PhaseTriggered ByPNPC CA GuidanceRisk If Ignored
Applicability DeterminationNew India activity, digital supply model, group credit structure, or notified TDS/TCS role identifiedConfirm which of the five specialised returns genuinely applies based on registration category and business model — not assumption. Initiate the correct registration (NRTP/OIDAR/ISD) if not already held.Filing the wrong return or none at all; operating under an incorrect registration category creates downstream filing rejections and potential penalty exposure.
Registration SetupNRTP/OIDAR/ISD registration applicationPrepare and file the specific registration form (REG-09/REG-10/ISD registration under Section 24), including NRTP advance tax estimation where applicable.NRTP registration denied or delayed if advance tax estimate is inadequate or documentation is incomplete; OIDAR non-registration discovered later via department data-matching with payment gateways.
Monthly Filing CycleEach return period (monthly for all five returns)Prepare period-specific data (outward/inward supply, OIDAR supply value, ISD credit distribution, TDS/TCS ledger), file by the statutory due date (10th/13th/20th depending on return), and issue GSTR-7A certificates or confirm TCS credit reflection where applicable.Late fee and interest exposure; blocked or delayed third-party credit (deductee's TDS credit, seller's TCS credit, recipient GSTIN's ISD credit) creating vendor/franchisee disputes.
NRTP Validity TrackingApproaching the end of the registration validity window (up to 90 days, extendable once)Track the specific validity end date; decide and execute either a formal extension application before expiry or an orderly final GSTR-5 filing and registration closure.Registration lapses mid-activity, leaving ongoing India transactions unregistered — triggering GST demand, interest, and penalty exposure for operating without valid registration.
Credit/Certificate ReconciliationRecipient GSTIN or deductee/seller queries their credit positionProactively reconcile ISD distribution, GSTR-7A certificate issuance, and TCS credit reflection against recipient/deductee/seller expectations before disputes escalate.Recipient businesses lose confidence in the filer's compliance discipline; disputes over blocked credit can affect ongoing commercial relationships (franchisee, vendor, or group-company terms).
Department ScrutinyASMT-10 notice, DRC-01A intimation, or data-matching query on a specialised returnRespond using the working papers maintained through the monthly filing cycle — registration validity proof, credit distribution basis, TDS/TCS threshold applicability — rather than reconstructing records under time pressure.Inadequate or delayed response can escalate to formal demand proceedings under Section 73/74 of the CGST Act, with the associated interest and penalty exposure.
Annual Review & Renewal DecisionsFinancial year-end or change in business model (e.g., ISD office consolidated, e-commerce operator status changes)Reassess whether the specialised registration and return obligation still applies — business model changes (e.g., OIDAR supplier appointing an India subsidiary, ISD office restructuring) can shift the applicable return regime entirely.Continuing to file a return that no longer reflects the correct registration category, or failing to register for a newly-triggered obligation as the business model evolves.
Frequently asked
What is a Non-Resident Taxable Person (NRTP) under GST and who needs this registration?

An NRTP is any person who occasionally undertakes transactions involving supply of goods or services, or both, in India, but who has no fixed place of business or residence in India. This typically covers foreign exhibitors at trade fairs, short-term event organisers, foreign contractors executing a specific India-based project, and similar occasional suppliers. NRTP registration is obtained on Form GST REG-09 and is distinct from regular GST registration — it does not require a PAN in the same way (a tax identification number from the home country can substitute in specified circumstances) but does require an authorised signatory who is a resident of India with a valid PAN.

Practitioner noteWe frequently see foreign businesses attending a single trade fair in India assume they don't need registration because the activity is short-term. If taxable supplies are made in India during that period, NRTP registration is required regardless of duration — even a single-day exhibition sale can trigger the obligation.
How long is NRTP registration valid, and can it be extended?

NRTP registration is valid for the period specified in the registration application, or 90 days from the effective date of registration, whichever is earlier. It can be extended once, for a further period as permitted by the proper officer, by filing Form GST REG-11 before the expiry of the original validity period, along with an additional advance tax deposit corresponding to the extended period's estimated liability.

Practitioner noteExtension applications must be filed before expiry, not after. We track this proactively for every NRTP client — waiting until the registration has already lapsed removes the extension option entirely and forces a fresh registration application with a compliance gap in between.
Why does NRTP registration require an advance tax deposit before it is even granted?

Because an NRTP, by definition, has no fixed establishment or ongoing presence in India, the department has limited ability to pursue collection after the fact if the NRTP's India activity concludes and the entity departs. The advance deposit — an amount equivalent to the estimated tax liability for the registration period — is required upfront as a safeguard, and is adjusted against the actual liability reported in GSTR-5, with any excess refundable on closure.

Practitioner noteGetting this estimate right matters on both sides — an under-estimate creates a liability shortfall discovered only when GSTR-5 is filed (with cash-flow and penalty implications), while an over-estimate ties up working capital that is only recoverable after final return filing and registration closure. We build the estimate from the actual contracted scope of India activity, not a generic percentage.
What does GSTR-5 actually report, and what is the due date?

GSTR-5 reports outward supplies made and inward supplies (including imports) received by the NRTP during the registration validity period, along with the tax payable and paid. It is filed monthly, by the 20th of the month following the tax period, or within 7 days after the last day of the registration validity period, whichever is earlier.

Practitioner noteThe 'whichever is earlier' rule around registration expiry is the detail most commonly missed — an NRTP whose registration validity ends mid-month has a filing deadline tied to that expiry, not simply the usual 20th of the following month.
What is OIDAR and which businesses fall under it?

Online Information and Database Access or Retrieval (OIDAR) services are digital services delivered over the internet or an electronic network, where the supply is essentially automated and involves minimal human intervention, and which would be impossible to provide without information technology. Examples include streaming media, cloud-based software, downloadable e-books and digital content, online gaming, web-hosting, and automated online advisory services. The concept is defined under the IGST Act and its associated rules.

Practitioner noteThe 'minimal human intervention' test is the recurring grey area. A fully automated SaaS subscription is clearly OIDAR; a service that combines automated delivery with substantial human consulting input may not be. We assess this against the specific service flow before concluding OIDAR status either way — mischaracterisation in either direction creates compliance risk.
Does an offshore OIDAR supplier need to register for GST in India even without any physical presence?

Yes, if the OIDAR supplier makes supplies to non-taxable recipients (typically individual consumers, i.e., B2C) located in India. A simplified registration scheme exists precisely because these suppliers have no fixed establishment in India — registration is obtained on Form GST REG-10, and the supplier can appoint a person in India for compliance purposes, though this is not always mandatory depending on the specific facts. If the OIDAR supply is instead made to a GST-registered business (B2B) in India, the recipient business typically discharges GST under reverse charge, and the offshore supplier does not need to register for that specific B2B transaction.

Practitioner noteWe regularly encounter offshore digital platforms that are entirely unaware of this obligation until a data-matching exercise between GSTN and payment gateway/banking records surfaces unregistered OIDAR activity. Voluntary registration and disclosure, once the obligation is identified, is materially better than waiting for a department-initiated inquiry.
How does GSTR-5A determine which supplies are 'made in India' for a digital service with no physical delivery?

Because OIDAR services have no physical delivery point, the place of supply and recipient location are determined using proxy indicators specified in the rules — such as the recipient's billing address, the internet protocol (IP) address of the device used, the recipient's bank account details used for payment, the country code of the SIM card used, or the location of the recipient's fixed landline through which the service is received. Two or more non-contradictory indicators are typically used together to establish the recipient's location in India.

Practitioner noteWe build this determination as a documented, evidence-backed process for each client rather than a one-line assumption — because in a scrutiny scenario, the department can and does ask for the specific evidentiary basis used to conclude that a supply was made to a recipient in India.
What is an Input Service Distributor (ISD) and why would a business need one?

An Input Service Distributor is an office of a business — typically the head office, corporate office, or a shared-services centre — that receives tax invoices for input services procured centrally (audit fees, group insurance, software licences, legal and consultancy fees, and similar) on behalf of its branches or units registered under different GSTINs, and distributes the input tax credit on those invoices proportionately to the recipient units. ISD registration is a distinct registration category under Section 24 of the CGST Act, mandatory for any office intending to perform this distribution function — a business cannot distribute common input service credit to its branch GSTINs without first holding ISD registration.

Practitioner noteA common misconception is that any head office can simply pass on credit informally between GSTINs of the same legal entity. It cannot — without ISD registration and the GSTR-6 mechanism, credit paid at the head office level on a common input service effectively stays trapped there and cannot be validly claimed by the branch that actually benefits from the service.
How is ISD credit distributed among recipient units — is it always an equal split?

No. Credit is distributed to recipient units in the same ratio as the turnover of each recipient unit to the aggregate turnover of all recipient units during the relevant period (the immediately preceding financial year, or the last quarter for which turnover figures are available, as prescribed under the CGST Rules), not on an equal basis and not on the ISD's own discretion. Certain categories of input service credit that relate exclusively to one particular recipient unit must be distributed only to that unit, not pro-rated across all units.

Practitioner noteWe see the most errors here when a business applies a rough equal-split or headcount-based allocation instead of the prescribed turnover-ratio method. This creates an under- or over-distribution to specific GSTINs that surfaces as a mismatch during the recipient's own GSTR-9C reconciliation, often a year or more after the original error.
What is the due date for GSTR-6 and what happens if it is filed late?

GSTR-6 is due on the 13th of the month following the tax period. Unlike GSTR-1/GSTR-3B, GSTR-6 has no concept of a 'nil return' waiver in the same way — if any input service invoice has been received during the period, distribution and filing are required. Late filing attracts late fee under the CGST Act and, more materially, delays the recipient GSTINs' ability to claim the distributed credit in their own returns for that period.

Practitioner noteThe real-world cost of a late GSTR-6 is rarely the late fee itself — it is the downstream friction with branch/unit finance teams whose input credit position is delayed because the head office missed the 13th.
Can an ISD claim GST refunds or use the distributed credit for its own output tax liability?

No. An ISD, in that specific registration capacity, does not have its own output tax liability arising from the distribution activity and does not use the credit itself — it exists solely to receive and pass on eligible input service credit to the recipient units that are actually liable to pay output tax. Ineligible or blocked credit under Section 17(5) must be excluded from distribution altogether, not distributed and then reversed by the recipient.

Practitioner noteWe build a standing exclusion list of blocked-credit categories into the ISD working file so obviously ineligible credits (like certain employee-benefit related services) are never inadvertently distributed in the first place.
Who is required to deduct TDS under GST, and is it the same as Income Tax TDS?

GST TDS under Section 51 of the CGST Act is a separate mechanism from Income Tax TDS under the Income-tax Act — they operate under different statutes, at different rates, on different tax bases, with different filing forms. Section 51 TDS applies only to specifically notified categories of deductors — government departments and establishments, local authorities, governmental agencies, and other persons specifically notified by the government — who are required to deduct tax at the prescribed rate when making payment to a GST-registered supplier under a taxable contract exceeding the prescribed threshold value.

Practitioner notePrivate-sector businesses occasionally assume GST TDS applies to them by analogy with Income Tax TDS obligations they already have. It does not, unless they fall within a specifically notified category. We confirm applicability against the current notification list before any deduction is set up — incorrect deduction creates a dispute with the supplier over the shortfall in payment received.
What is the rate of GST TDS and on what value is it calculated?

GST TDS is deducted at 1% under CGST and 1% under SGST (for intra-state supply) or 2% under IGST (for inter-state supply), calculated on the taxable value of the supply under the contract — excluding the GST component itself. It applies only where the total value of the supply under an individual contract exceeds the prescribed threshold.

Practitioner noteA frequent error is calculating TDS on the invoice value inclusive of GST rather than the taxable value alone — this results in an over-deduction that the supplier then has to reconcile and claim back, creating unnecessary friction in an otherwise routine government-vendor relationship.
What is GSTR-7A and why does it matter if we deduct GST TDS?

GSTR-7A is the TDS certificate that is auto-generated on the GST portal once the deductor files GSTR-7 and the corresponding tax is deposited. It is made available to both the deductor and the deductee for download, reflecting the deduction details for that period. The deductee needs this certificate as documentary evidence of the TDS credited to their electronic cash ledger, which they can then use to offset their own output tax liability.

Practitioner noteGSTR-7A is generated but does not push automatically to the deductee's inbox — the deductor still needs to actively communicate that it is available and, in practice, share it directly. We track this as a distinct action item after every GSTR-7 filing so deductees are not left chasing their own credit.
What is the due date for GSTR-7, and what is the penalty for late filing?

GSTR-7 is due on the 10th of the month following the tax period. Late filing attracts late fee under the CGST Act along with interest on any TDS amount not deposited by the due date. Because GSTR-7 filing directly gates the deductee's ability to claim their TDS credit, a late filing has knock-on consequences for a third party's compliance position, not just the deductor's own exposure.

Practitioner noteWe treat GSTR-7 due-date discipline as higher priority than its comparatively small direct penalty would suggest, precisely because of this third-party knock-on effect — a delayed government contractor payment cycle downstream traces back, more often than people expect, to a delayed GSTR-7.
Who qualifies as an 'e-commerce operator' liable to collect TCS under Section 52?

An e-commerce operator, for TCS purposes, is a person who owns, operates, or manages a digital or electronic facility or platform for electronic commerce through which other suppliers make supplies of goods or services, and who collects the consideration for those supplies on behalf of the actual supplier (or is otherwise responsible for collecting the payment). A business that sells only its own goods/services through its own website, without facilitating supplies by other independent sellers, does not fall within this definition and does not have a TCS obligation.

Practitioner noteThe dividing line is facilitation of third-party sellers combined with payment collection responsibility. We assess each platform's actual commercial and payment-flow model against this definition rather than assuming TCS applicability purely because a business calls itself an 'e-commerce' company.
What rate of TCS applies under GSTR-8, and on what value?

TCS is collected at 0.5% CGST plus 0.5% SGST (for intra-state supply) or 1% IGST (for inter-state supply), calculated on the net value of taxable supplies made through the operator's platform — meaning the aggregate value of taxable supplies, less the aggregate value of supplies returned, for the relevant period.

Practitioner noteGetting the 'net value' calculation right — properly netting off returns and cancellations before applying the rate — is the most common source of over-collection disputes with platform sellers. We build this netting logic directly into the reconciliation working before each GSTR-8 filing.
How does a seller on an e-commerce platform actually benefit from the TCS collected under GSTR-8?

TCS collected and deposited by the operator reflects in the seller's electronic cash ledger once the operator's GSTR-8 is filed and matched against the seller's own claim in their GSTR-3B. The seller can then use this credited amount to offset their own output GST liability, effectively treating it as tax already paid on their behalf.

Practitioner noteWhen there is a mismatch between what the seller expects (based on their own sales records) and what appears in their electronic cash ledger, the root cause is almost always a reconciliation gap between the platform's internal settlement data and the figures reported in GSTR-8 — which is why we reconcile before filing rather than relying on sellers to flag discrepancies after the fact.
What is the due date for GSTR-8, and does a nil return need to be filed if no supplies were facilitated?

GSTR-8 is due on the 10th of the month following the tax period. If the operator facilitated no supplies and collected no TCS during a period, a nil return generally still needs to be filed to maintain continuity of compliance and avoid the appearance of a filing default — the specific nil-filing mechanics should be confirmed for the applicable period against the current GST portal process.

Practitioner noteE-commerce operators sometimes assume a genuinely quiet month means no filing is needed at all. We recommend confirming and filing the nil return regardless, since a gap in the filing record can itself trigger a portal-level compliance flag.
Can the specialised returns be filed on a quarterly basis, similar to QRMP for regular taxpayers?

No. GSTR-5, GSTR-5A, GSTR-6, GSTR-7, and GSTR-8 are all monthly returns under the current framework — none of them are eligible for the QRMP (Quarterly Return Monthly Payment) scheme, which is specific to regular taxpayers filing GSTR-1 and GSTR-3B below the prescribed turnover threshold.

Practitioner noteBusinesses that are used to QRMP for their regular GST registration sometimes assume the same quarterly cadence extends to an ISD or e-commerce operator registration held by a related entity. It does not — each of these five returns follows its own monthly cycle regardless of the filer's turnover.
Do specialised return filers still need to file the annual return, GSTR-9?

GSTR-9 annual return applicability depends on the registration category and turnover, and is assessed separately from the monthly specialised return obligation. NRTP, OIDAR (via GSTR-5A), and ISD registrants are generally outside the standard GSTR-9 framework given the nature of their registration, while an e-commerce operator's GSTR-9 applicability follows the standard turnover-based rules applicable to any registered person. This is assessed case-by-case and is outside the scope of this specialised-returns engagement — PNPC's GST Annual Return service covers GSTR-9/9C separately.

Practitioner noteWe flag annual return applicability explicitly at the start of every specialised-returns engagement so clients are not surprised by a separate obligation surfacing later in the year.
What happens if an NRTP fails to file GSTR-5 or lets registration lapse mid-activity?

Continuing to undertake taxable supplies in India after NRTP registration has lapsed, without a valid extension, exposes the business to demand for tax, interest, and penalty for operating without valid registration — the same exposure any unregistered taxable person faces under Section 122 and related provisions of the CGST Act. Failure to file GSTR-5 within the validity period also puts the advance tax deposit refund at risk pending resolution of the outstanding return.

Practitioner noteWe treat the NRTP validity end-date as a hard deadline in our client calendar precisely because the consequences of a lapse are structural, not just a late fee — the business could find itself operating in India without any valid GST registration at all.
What are the late fee and interest consequences for GSTR-6, GSTR-7, and GSTR-8?

Late filing of these returns attracts late fee under the CGST Act (subject to the applicable per-day rate and cap prescribed for each return category) along with interest on any tax/TDS/TCS amount not deposited by the due date. Interest for delayed payment of GST-related dues generally runs at 18% per annum from the due date to the date of actual payment, consistent with the interest rate applicable to delayed GST payments generally.

Practitioner noteWe calculate exposure using the actual number of days delayed rather than a rough estimate — for TDS/TCS filers in particular, the interest accrues on the amount that should have been deposited, and running interest calculations correctly (rather than approximating) matters when responding to a department query on delayed deposit.
Can a single business be liable for more than one of these five specialised returns at the same time?

Yes. It is entirely possible, and not uncommon, for a large group to have a head office that files GSTR-6 as an ISD, while a separate marketplace subsidiary of the same group files GSTR-8 as an e-commerce operator, and a government-facing division is separately notified as a Section 51 TDS deductor filing GSTR-7. Each obligation attaches to the specific registration/entity/role, not to the group as a whole.

Practitioner noteWe map the full group structure against each of the five return categories at engagement start, since businesses frequently discover mid-engagement that a sister entity or division has an obligation nobody had been tracking.
How does PNPC handle the fact that these returns are filed by a much smaller population than GSTR-1/GSTR-3B?

Because specialised returns are filed less frequently across the market as a whole, many accounting teams and even some GST software workflows are not built around their specific data requirements. PNPC maintains dedicated working templates for each of the five return types — separate from our standard GSTR-1/GSTR-3B process — built around the specific data shape each return requires (NRTP period-based supply data, OIDAR recipient-location evidence, ISD turnover-ratio distribution, TDS/TCS deductee/seller-wise ledgers).

Practitioner noteWe have seen generalist providers attempt to force NRTP or ISD data into a standard monthly-GSTR-1-style template, which misses the specific fields each specialised return actually requires on the GST portal — leading to filing errors or portal rejection at submission.
Does PNPC handle the underlying registration (NRTP/OIDAR/ISD) as well as the ongoing return filing?

Yes. PNPC handles the full lifecycle — assessing applicability, preparing and filing the initial registration application (Form GST REG-09 for NRTP, Form GST REG-10 for OIDAR, ISD registration under Section 24), the ongoing monthly return filing, and, where relevant, registration renewal, extension, or closure.

Practitioner noteHandling registration and return filing together matters because errors at the registration stage — an incomplete advance tax estimate for NRTP, or an incorrect OIDAR applicability determination — directly affect every subsequent monthly return. We prefer to be involved from registration onward rather than inheriting a registration set up elsewhere.
Can PNPC manage specialised GST returns for an offshore entity with no physical presence in India at all?

Yes. This is one of the more common scenarios in our OIDAR practice — an offshore digital service provider with no India office, no India-resident director, and no other India compliance touchpoint beyond this specific GST obligation. We manage the registration, monthly filing, and any department correspondence as the entity's sole point of India GST compliance contact.

Practitioner noteFor offshore clients, we set up a clear, minimal-friction data flow (typically a monthly data export from the platform's billing/payment system) so the client's own team is not burdened with understanding Indian GST mechanics in detail — we translate their existing billing data into the GSTR-5A format each period.
How does PNPC support a UAE-based business that needs both India specialised GST compliance and UAE-side reporting?

PNPC operates from Chennai, Bangalore, Hyderabad, and Dubai. For a UAE-headquartered business with an India-facing digital service, an India NRTP event, or an India ISD/e-commerce structure, we coordinate the India-side GST specialised return work with our Dubai office's UAE VAT/Corporate Tax advisory, so the client deals with one firm across both jurisdictions rather than separate providers who do not share context.

Practitioner noteWe have seen UAE businesses treat their India OIDAR or NRTP obligation as an afterthought handled by a separate India-only vendor, disconnected from their UAE compliance calendar. Coordinating both under one engagement avoids the gaps that show up in that handoff.
What data does PNPC need on a recurring basis to manage an ongoing ISD or e-commerce operator filing retainer?

For an ISD retainer: monthly invoice-level data on input services received centrally, and current turnover figures for each recipient GSTIN. For an e-commerce operator retainer: monthly seller-wise, transaction-wise supply value and settlement data from the platform. We agree a specific data-export format and delivery schedule with each client at engagement start so that monthly filing does not depend on ad hoc, manually assembled data each time.

Practitioner noteRetainer engagements run far more smoothly once a fixed monthly data hand-off is established — the majority of avoidable filing delays we see stem from data being requested and assembled reactively each month rather than flowing on a fixed schedule.
How does PNPC price a specialised GST return engagement?

Pricing depends on which of the five returns apply, the transaction volume involved, whether registration setup is also required, and whether the engagement is a one-off (typical for an NRTP event-based registration) or an ongoing monthly retainer (typical for ISD or e-commerce operator filings). PNPC agrees a specific, written fee structure for each engagement before work begins rather than applying a single generic price across very different filing profiles.

Practitioner noteAsk us for a written scope and fee letter specific to your return type and volume before engagement begins — a one-time NRTP event filing and an ongoing monthly ISD retainer for a multi-branch group are priced very differently, and we make that distinction explicit upfront.
Why should a business use PNPC rather than attempting these specialised returns through general accounting software or an in-house team?

General GST-filing software is built primarily around the high-volume GSTR-1/GSTR-3B workflow. NRTP, OIDAR, ISD, TDS, and TCS filings each have distinct data structures, registration prerequisites, and third-party knock-on effects (deductee/recipient/seller credit) that a generalist workflow frequently does not surface clearly. PNPC's specialised-returns practice exists specifically because these five return types, taken together, are filed by a comparatively small, specialised population — and errors in this space tend to go unnoticed for longer precisely because they are less commonly reviewed.

Practitioner noteThe clients who come to us mid-year for these specific returns most often arrive after a department notice or a downstream vendor/franchisee dispute over blocked credit — not because the initial filing looked obviously wrong, but because nobody with specific expertise in this narrower area was reviewing it.
What does PNPC's specialised GST return engagement typically include, end to end?

Applicability assessment across all five return types; registration verification or fresh registration (NRTP/OIDAR/ISD) where needed; NRTP advance tax estimation; OIDAR recipient-location determination methodology; ISD credit distribution working and monthly filing; TDS/TCS threshold confirmation, deduction/collection working, and monthly filing; GSTR-7A certificate tracking and TCS reconciliation; department notice and query response; and registration lifecycle management (NRTP renewal/closure).

Practitioner noteEverything above is scoped and agreed in writing at engagement start, specific to which of the five return types actually apply to your business — we do not apply a one-size-fits-all package across what are, in practice, five quite different compliance regimes.
If our business model changes mid-year — for example, an OIDAR supplier sets up an India subsidiary — does the specialised return obligation change?

Potentially, yes. If an offshore OIDAR supplier establishes a fixed place of business or an India subsidiary that takes over the supply relationship, the compliance framework can shift from the simplified OIDAR/GSTR-5A regime to standard GST registration and the regular GSTR-1/GSTR-3B cycle, depending on how the revised structure is set up. Similarly, if a group consolidates or splits its ISD office, the credit distribution structure needs to be reassessed.

Practitioner noteWe treat any material change in business or group structure as a trigger to re-run the applicability assessment from scratch, rather than assuming the existing specialised-return regime automatically continues unchanged.
Why PNPC Global

PNPC Global vs generic GST-filing software/portals for specialised returns

AspectGeneric GST Filing Software/PortalPNPC Global
Applicability assessmentAssumes user already knows which return appliesWe assess NRTP/OIDAR/ISD/TDS/TCS applicability against the actual registration category and business model before recommending any filing
Registration handlingTypically return-filing only; registration is a separate, disconnected stepWe handle registration (REG-09/REG-10/ISD under Section 24) and the ongoing return filing as one coordinated engagement
NRTP advance tax estimateNo advisory input — user supplies the figureWe build a defensible estimate from actual contracted India activity, avoiding both under- and over-estimation
OIDAR recipient-location evidenceNot addressed — assumes location is already determinedWe build and document the multi-indicator evidence basis (billing address, IP, payment method, SIM country code)
ISD credit distribution logicGeneric templates, sometimes equal-split by defaultWe apply the prescribed turnover-ratio method and maintain the working papers behind every distribution
GSTR-7A / TCS third-party follow-throughCertificate generated on portal but not actively tracked or sharedWe track and proactively share GSTR-7A certificates and reconcile TCS against seller settlement data
Department notice responseNot offered — user is on their ownWe respond to ASMT-10/DRC-01A queries using the working papers built during monthly filing
NRTP registration lifecycleNo tracking of validity windowsWe track validity end-dates and manage extension or closure proactively
Cross-border coordinationNot applicableDubai office coordinates India specialised GST filings with UAE VAT/CT compliance for cross-border clients
Engagement modelSelf-service, per-filing transactionalWritten scope and fee agreed upfront; ongoing retainer or event-based engagement as appropriate

This comparison reflects typical differences between self-service filing tools and a CA-led specialised-returns practice. Actual software capabilities vary by provider.

What the PNPC package includes

  1. 01

    Applicability assessment across NRTP, OIDAR, ISD, TDS (Section 51), and TCS (Section 52) return categories

  2. 02

    Registration preparation and filing — Form GST REG-09 (NRTP), Form GST REG-10 (OIDAR), ISD registration under Section 24

  3. 03

    NRTP advance tax liability estimation and registration validity tracking, including extension or closure management

  4. 04

    OIDAR recipient-location determination methodology and documentation for non-taxable recipient supplies

  5. 05

    ISD input service credit distribution working papers and monthly GSTR-6 filing

  6. 06

    TDS threshold confirmation, deduction working, monthly GSTR-7 filing, and GSTR-7A certificate tracking and distribution

  7. 07

    TCS collection working, monthly GSTR-8 filing, and reconciliation against platform seller settlement data

  8. 08

    Department notice and query response support for all five specialised return categories

  9. 09

    Cross-border coordination with PNPC's Dubai office for UAE-linked entities with India specialised GST obligations

  10. 10

    Written engagement scope and fee agreement specific to the applicable return type(s) and filing cadence

Specialised GST returns are filed by a smaller population than GSTR-1/GSTR-3B — which is exactly why they get less scrutiny from generalist providers and more scrutiny from the department when something goes wrong. Talk to PNPC Global before your next GSTR-5, GSTR-5A, GSTR-6, GSTR-7, or GSTR-8 filing is due.

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