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GST Compliance Framework: Returns, Forms, Due Dates, Taxpayer Categories, Schemes, Late Fees, Penalties and Interest

Summary: Article outlinies the GST compliance framework, covering taxpayer responsibilities, return filing requirements, applicable forms, due dates, taxpayer categories, QRMP and Composition Scheme compliance, annual returns, reconciliation statements, special category returns, job work compliance, filing methods, late fees, interest, penalties, the three-year time limit for filing specified GST returns, auto-drafted statements, compliance risk areas, and suggested monthly and annual compliance checklists. It explains the role of forms including GSTR-1, GSTR-1A, GSTR-3B, GSTR-4, GSTR-5, GSTR-5A, GSTR-6, GSTR-7, GSTR-8, GSTR-9, GSTR-9C, GSTR-10, GSTR-11, ITC-04, CMP-08 and PMT-06, along with their purposes, frequencies and due dates. The article also discusses reconciliation between books and GST returns, ITC control, e-invoices, e-way bills, RCM, annual reconciliation, portal-based filing, and statutory provisions relating to late fees, interest and penalties. It concludes that GST compliance operates as an integrated, data-linked process requiring correct documentation, reporting, ITC management, tax payment, reconciliation and timely return filing.

1. Introduction

GST is a self-assessment based law. The registered person is primarily responsible to determine taxability, classify supplies, issue proper documents, report outward supplies, claim eligible ITC, discharge tax liability, file returns, maintain records and reconcile annual figures. The return system is not merely a filing formality; it is the legal trail through which outward liability, ITC, tax payment, TDS, TCS, annual reconciliation and departmental scrutiny are built.

The core return provisions are contained in section 37 for outward supply details, section 39 for periodical returns, section 44 for annual return, section 47 for late fee and section 50 for interest. Section 39 also provides that a registered person required to file a return must file it even where there are no supplies in the tax period, and returns cannot generally be furnished after expiry of three years from the relevant due date.

2. GST Compliance Flow Chart

Business activity / taxable event

Check registration requirement and taxpayer category

Issue documents

Tax invoice / bill of supply / receipt voucher / debit note / credit note

Report outward supplies

GSTR-1 / IFF / GSTR-1A

Recipient-side ITC reflection

GSTR-2A / GSTR-2B / IMS actions

Tax payment and ITC adjustment

GSTR-3B / CMP-08 / PMT-06 / cash-credit ledgers

Special category filings

GSTR-5, 5A, 6, 7, 8, 11, ITC-04, refund forms etc.

Annual consolidation

GSTR-9 and, where applicable, GSTR-9C

Reconciliation and risk control

Books vs GSTR-1 vs GSTR-3B vs 2B vs e-invoice vs e-way bill vs GSTR-9/9C

3. Types of Taxpayers and Applicable GST Compliance

Taxpayer category Nature Main periodic compliance Annual / special compliance
Regular taxpayer Normal registered supplier of goods/services GSTR-1, GSTR-3B GSTR-9; GSTR-9C if turnover threshold crossed
QRMP taxpayer Regular taxpayer with AATO up to ₹5 crore opting quarterly return and monthly payment Quarterly GSTR-1 and GSTR-3B; monthly PMT-06 for first two months; optional IFF GSTR-9 / 9C as applicable
Composition taxpayer Person paying tax under section 10 Quarterly CMP-08 Annual GSTR-4
Casual taxable person Temporary taxable presence in a State/UT GSTR-1 and GSTR-3B, generally monthly Final/other compliance as applicable
Non-resident taxable person Non-resident undertaking taxable supplies in India GSTR-5 Not regular GSTR-9
OIDAR non-resident supplier Online information/database access/retrieval services from outside India to non-taxable online recipient GSTR-5A As applicable
Input Service Distributor Distribution of ITC to distinct persons GSTR-6 No GSTR-9 in ISD capacity
TDS deductor Person required to deduct tax under section 51 GSTR-7 GSTR-7A generated as certificate
E-commerce operator collecting TCS Operator required to collect tax under section 52 GSTR-8 GSTR-9B annual statement
UIN holder Embassy/UN body/notified person claiming refund GSTR-11 before refund RFD-10 refund
Job-work principal Sends inputs/capital goods to job worker without payment of tax ITC-04 Half-yearly or annual depending on turnover
Taxpayer with cancelled registration Registration cancelled/surrendered Pending returns up to cancellation GSTR-10 final return

4. Main GST Return and Form Due-Date Table

Form / facility Filed by Purpose Frequency Due date Filing mode
GSTR-1 Regular taxpayer Details of outward supplies Monthly / quarterly 11th of next month for monthly filers; 13th of month following quarter for quarterly filers Online; offline utility available
IFF QRMP taxpayer Optional invoice furnishing for first two months of quarter Optional monthly for M1 and M2 Generally 13th of succeeding month Online
GSTR-1A Regular / QRMP taxpayer Amendment/ addition to current-period GSTR-1/IFF before GSTR-3B Optional Available after GSTR-1 filing/due date till GSTR-3B filing of same period Online
GSTR-3B Regular taxpayer Summary return, tax payment, ITC availment/ reversal Monthly / quarterly 20th of next month for monthly filers; 22nd/24th after quarter for QRMP depending on State/UT Online; nil return through SMS
PMT-06 QRMP taxpayer Monthly tax payment for first two months of quarter Monthly for M1 and M2 25th of next month Online challan
CMP-08 Composition taxpayer Statement for payment of self-assessed composition tax Quarterly 18th of month succeeding quarter Online; nil through SMS where enabled
GSTR-4 Composition taxpayer Annual return Annual 30th June after financial year Online
GSTR-5 Non-resident taxable person Return by NRTP Monthly / part period 13 days after month-end or 7 days after last day of registration period, whichever earlier Online
GSTR-5A OIDAR supplier Return for OIDAR services Monthly 20th of next month Online
GSTR-6 Input Service Distributor ISD return Monthly 13th of next month Online / offline utility
GSTR-7 TDS deductor TDS return Monthly 10th of next month Online / offline utility
GSTR-7A System generated TDS certificate System generated After deductor files GSTR-7 and deductee accepts Portal generated
GSTR-8 E-commerce operator collecting TCS TCS statement Monthly 10th of next month Online
GSTR-9 Regular taxpayer Annual return Annual 31st December after financial year Online / offline utility
GSTR-9C Applicable taxpayers crossing turnover threshold Self-certified reconciliation statement Annual Along with GSTR-9, by 31st December Online / offline utility
GSTR-9B ECO collecting TCS Annual TCS statement Annual Before 31st December after financial year Online
GSTR-10 Person whose registration is cancelled/ surrendered Final return One time Within 3 months from effective date of cancellation or cancellation order, whichever later Online
GSTR-11 UIN holder Details of inward supplies for refund Quarterly, where refund is claimed Before RFD-10 refund claim Online
ITC-04 Principal sending goods to job worker Goods/capital goods sent to/received from job worker Half-yearly if preceding FY turnover > ₹5 crore; annual in other cases 25th day of month succeeding relevant period Online; offline utility for preparation

The GST portal confirms GSTR-1 due dates as 11th for monthly and 13th after quarter for quarterly filing, and GSTR-3B due dates as 20th for monthly and 22nd/24th after quarter for QRMP taxpayers. Composition taxpayers must file CMP-08 by 18th after the quarter and GSTR-4 by 30th June after the financial year.

5. Regular Taxpayer Compliance

5.1 GSTR-1: outward supply reporting

GSTR-1 contains invoice-wise and consolidated details of outward supplies. It includes B2B invoices, B2C large invoices, exports, debit notes, credit notes, amendments, advances, HSN summary and document summary.

Important practical points:

Point Compliance impact
Invoice reporting B2B invoice details flow to recipient’s GSTR-2A/2B
Amendments To be handled through amendment tables or GSTR-1A for current period
E-invoice E-invoice data auto-populates into GSTR-1, but taxpayer must verify before filing
HSN reporting HSN summary must be prepared from books and invoices
Three-year bar GSTR-1 cannot generally be filed after three years from due date

Section 37 imposes the three-year outer restriction for furnishing outward supply details, subject to notified relaxation.

5.2 GSTR-1A: current-period correction before GSTR-3B

GSTR-1A is an optional facility introduced to amend or add current tax-period outward supply details after filing GSTR-1/IFF but before filing GSTR-3B. The practical importance is high because liability flowing from GSTR-1/1A/IFF is used for GSTR-3B. The portal advisory noted that GSTR-1A allows correction before GSTR-3B and that auto-populated liability in GSTR-3B was to become non-editable from the July 2025 tax period, with corrections to be routed through GSTR-1A.

5.3 GSTR-3B: summary return and tax payment

GSTR-3B is the monthly/quarterly return for declaring outward tax liability, eligible ITC, ITC reversals, exempt/non-GST supplies, RCM liability and tax paid. The GST portal describes GSTR-3B as a simplified summary return for declaring summary GST liabilities for a tax period.

Key reconciliations before filing GSTR-3B:

Reconciliation Why important
GSTR-1 vs GSTR-3B outward tax Avoid DRC-01B mismatch
GSTR-2B vs ITC claimed in GSTR-3B Avoid DRC-01C / ITC dispute
Books vs GSTR-3B Avoid under-reporting or excess ITC
RCM register vs GSTR-3B Ensure RCM paid in cash and ITC claimed correctly
Credit notes vs tax adjustment Ensure section 34 conditions are met

6. QRMP Scheme

The Quarterly Return Monthly Payment Scheme is available to eligible taxpayers having AATO up to ₹5 crore. Under QRMP, GSTR-1 and GSTR-3B are filed quarterly, but tax is paid monthly for the first two months of the quarter through PMT-06. The GST portal states that QRMP is for eligible taxpayers to file GSTR-1 and GSTR-3B quarterly while paying tax monthly, and eligibility requires AATO up to ₹5 crore and filing of the latest GSTR-3B.

QRMP flow chart

Eligible taxpayer with AATO up to ₹5 crore

Opt for QRMP

Month 1: optional IFF + PMT-06 payment by 25th

Month 2: optional IFF + PMT-06 payment by 25th

Month 3 / quarter end:

Quarterly GSTR-1 by 13th

Quarterly GSTR-3B by 22nd/24th

Annual GSTR-9 / GSTR-9C as applicable

PMT-06 under QRMP can be paid through the fixed sum method or self-assessment method; GSTN’s QRMP FAQ states that the due date for challan payment is the 25th of the next month.

7. Composition Scheme Compliance

Composition levy under section 10 is meant to simplify compliance for small taxpayers. Composition taxpayers do not collect tax separately from customers, cannot issue tax invoice, generally cannot claim ITC and pay tax at prescribed composition rates. Rule 7 provides composition levy rates, including 0.5% under section 10(1)/(2) for eligible suppliers and 3% under section 10(2A) for eligible service suppliers; SGST/UTGST applies similarly.

Composition compliance table

Form Purpose Due date Remarks
CMP-02 Intimation to opt into composition Before start of financial year, as applicable Online
ITC-03 Reversal of ITC on opting into composition / exemption As prescribed Online/offline utility
CMP-08 Quarterly tax payment statement 18th after quarter Mandatory
GSTR-4 Annual return 30th June after FY Mandatory for persons who were composition taxpayers even for part of FY

Rule 62 provides that composition taxpayers furnish CMP-08 by the 18th after the quarter and GSTR-4 by 30th June following the end of the financial year.

8. Annual Return: GSTR-9

GSTR-9 is the consolidated annual return for regular taxpayers. It captures annual details of outward supplies, inward supplies, ITC availed/reversed, tax paid, demands/refunds, HSN summary and transactions of the previous year reported in the next year.

Who files GSTR-9?

Category GSTR-9 applicability
Regular taxpayer Applicable, subject to exemption notifications
Composition taxpayer GSTR-4, not GSTR-9
ISD Not in ISD capacity
TDS/TCS deductor/operator Separate forms apply
Casual taxable person Excluded under Rule 80
Non-resident taxable person Excluded under Rule 80

Rule 80 provides that every registered person, other than specified excluded categories, shall furnish annual return in GSTR-9 by 31st December following the end of the financial year.

Practical GSTR-9 preparation flow

Download GSTR-9 system computed summary

Reconcile books with GSTR-1

Reconcile GSTR-1 with GSTR-3B

Reconcile ITC register with GSTR-2B and GSTR-3B

Check RCM paid and claimed

Check credit notes, debit notes, amendments

Check Table 8 ITC differences

Check HSN outward and inward summary

Pay additional liability, if any, through DRC-03

File GSTR-9

The GST portal states that from FY 2023-24 onwards, portal-computed GSTR-9 values are based on GSTR-1, GSTR-3B and GSTR-2B, and the computed summary/Table 8A excel can be downloaded.

9. Reconciliation Statement: GSTR-9C

GSTR-9C is a self-certified reconciliation statement reconciling turnover, tax paid and ITC as per annual return with audited financial statements. Rule 80(3) provides that taxpayers with aggregate turnover exceeding ₹5 crore during a financial year must furnish GSTR-9C along with GSTR-9 by 31st December following the end of the financial year.

GSTR-9C is required where:

Condition Result
Aggregate turnover exceeds ₹5 crore GSTR-9C applicable
Aggregate turnover does not exceed ₹5 crore GSTR-9C not applicable
GSTR-9C applicable but not filed with GSTR-9 Annual return is incomplete for late fee purposes

CBIC Circular No. 246/03/2025-GST clarified that where GSTR-9C is required, annual return under section 44 is complete only when both GSTR-9 and GSTR-9C are filed; late fee is computed up to the date of filing the complete annual return, and late fee is not separately leviable for GSTR-9 and GSTR-9C.

GSTN’s FY 2024-25 FAQs also explain GSTR-9/9C reporting issues such as RCM paid in a later year, ITC reversal reporting, Table 12/13 reporting and late fee reporting in GSTR-9C.

10. Special Category GST Returns

Form Taxpayer Purpose Due date Notes
GSTR-5 Non-resident taxable person Return of supplies, ITC and tax 13 days after month-end or 7 days after registration period ends, whichever earlier Section 39(5)
GSTR-5A OIDAR supplier OIDAR tax return 20th of next month GST portal due date
GSTR-6 ISD Distribution of ITC 13th of next month Section 39(4) / portal
GSTR-7 TDS deductor TDS return 10th of next month Nil return also required from notified period
GSTR-8 ECO collecting TCS TCS statement 10th of next month Section 52
GSTR-9B ECO collecting TCS Annual TCS statement Before 31st December after FY Section 52(5)
GSTR-11 UIN holder Inward supplies for refund Before refund File where refund claimed

Section 52 requires an ECO collecting TCS to pay the amount within 10 days after month-end, furnish monthly statement within 10 days after month-end, and furnish annual statement before 31st December following the end of the financial year.

11. Job Work Compliance: ITC-04

Where a principal sends inputs or capital goods to a job worker without payment of tax, details are required in Form GST ITC-04.

Principal’s turnover in preceding FY ITC-04 frequency Due date
More than ₹5 crore Half-yearly: April–September and October–March 25th of month succeeding the half-year
Up to ₹5 crore Annual 25th April after financial year

Rule 45 provides that ITC-04 must be furnished by the 25th day of the month succeeding the specified period; specified period is six months for principals with turnover above ₹5 crore and financial year in other cases.

12. Online Filing vs Offline Utility vs Manual Filing

Compliance Online / manual position
GST returns Filed electronically on GST common portal
Offline utility Used for preparation/upload in forms like GSTR-1, GSTR-3B, GSTR-9, GSTR-9C, ITC-04 etc., where enabled
Nil GSTR-1 / GSTR-3B Can be filed through SMS subject to conditions
GSTR-7A System-generated certificate
Paper/manual physical filing Generally not applicable for GST returns
DRC-03, refund, registration, amendment, cancellation Filed electronically on portal

Thus, in GST, “manual” normally means preparation using an offline tool and uploading data on the portal. It does not mean paper filing of return at the department counter, unless a specific exceptional manual procedure is separately notified.

13. Late Fee under GST

Section 47 provides late fee of ₹100 per day under CGST for delay in GSTR-1/returns under sections 39, 45 and 52, subject to a maximum of ₹5,000 under CGST. A similar amount applies under SGST/UTGST, so normal combined late fee is usually double. For annual return under section 44, section 47(2) provides ₹100 per day under CGST, subject to maximum of 0.25% of turnover in the State/UT; SGST/UTGST applies similarly.

Rationalised late fee caps for major returns

Return Class of taxpayer Common effective maximum late fee, CGST + SGST
GSTR-1 / GSTR-3B Nil outward supply / nil tax liability ₹500
GSTR-1 / GSTR-3B AATO up to ₹1.5 crore ₹2,000
GSTR-1 / GSTR-3B AATO above ₹1.5 crore and up to ₹5 crore ₹5,000
GSTR-1 / GSTR-3B AATO above ₹5 crore ₹10,000
GSTR-4 Nil tax liability ₹500
GSTR-4 Other composition taxpayers ₹2,000
GSTR-7 TDS deductor ₹50 per day, generally capped at ₹2,000 combined
GSTR-9 / 9C Annual return Section 47(2) basis; GSTR-9C delay counted as incomplete annual return where applicable

CBIC’s notification list records Notifications 19/2021 to 22/2021 as rationalising late fee for GSTR-3B, GSTR-1, GSTR-4 and GSTR-7 respectively. For GSTR-9C, CBIC Circular 246/03/2025 clarifies that late fee applies for delay in filing the complete annual return where GSTR-9C is required.

14. Interest under GST

Default Provision Interest principle
Delayed payment of tax Section 50(1) Interest payable for period tax remains unpaid; rate notified up to 18%
Delayed GSTR-3B where tax declared late Proviso to section 50(1) Interest generally on net cash liability if return filed late, except where proceedings under section 73/74/74A have commenced
Wrong ITC availed and utilised Section 50(3) Interest payable on ITC wrongly availed and utilised; rate notified up to 24%
TDS not paid Section 51(6) Interest under section 50(1)
TCS mismatch addition Section 52(11) Interest from original due date till payment

Section 50 states that delayed tax payment attracts interest and, for belated section 39 returns, interest is levied on the portion paid through electronic cash ledger, except where proceedings have commenced.

15. Penalty under GST

Penalty can arise for non-filing, incorrect filing, non-payment, wrong ITC, fake invoicing, non-issuance of invoice, suppression, fraud, failure to furnish information, or general contravention.

Nature of default Provision Penalty
Tax short paid / not paid / erroneous refund / ITC wrongly availed or utilised, without fraud Section 122(2)(a) ₹10,000 or 10% of tax due, whichever higher (each)
Same default due to fraud, wilful misstatement or suppression Section 122(2)(b) ₹10,000 or tax due, whichever higher (each)
General contravention where no separate penalty provided Section 125 Up to ₹25,000 (each)
ECO fails to furnish information required by notice Section 52(14) Up to ₹25,000 (each)
Proceedings from FY 2024-25 onward Section 74A Unified demand framework; notice within 42 months from annual return due date / erroneous refund date; order within 12 months, extendable by 6 months

Section 122 covers several offences including supply without invoice, false invoice, tax collected but not paid, ITC wrongly availed/utilised and other contraventions. Section 125 provides a general penalty up to ₹25,000 where no separate penalty is provided. Section 74A now provides a unified demand mechanism and requires notice within 42 months from the annual return due date or erroneous refund date.

16. Three-Year Time Limit for Filing GST Returns

GST law now restricts belated filing of returns/statements after three years from the due date for forms covered under sections 37, 39, 44 and 52. These include GSTR-1, GSTR-3B, GSTR-4, GSTR-5, GSTR-5A, GSTR-6, GSTR-7, GSTR-8 and GSTR-9. GSTN advisory material stated that the portal restriction would be implemented from the July 2025 tax period.

Practical effect

Return due date

Late filing possible with late fee/interest

Outer limit: 3 years from due date

After 3 years: portal filing barred, unless Government notifies relaxation

17. Important Supporting Statements and Auto-Drafted Forms

Form / statement Nature Used for
GSTR-2A Dynamic auto-drafted statement Supplier-wise inward supplies, may change as suppliers file/amend
GSTR-2B Static ITC statement ITC decision for GSTR-3B
GSTR-4A Auto-drafted inward supply statement for composition taxpayer Reference for GSTR-4
GSTR-6A Auto-drafted ISD inward statement Reference for GSTR-6
GSTR-7A TDS certificate Deductor/deductee record
Electronic cash ledger Cash balance Tax, interest, penalty, late fee payment
Electronic credit ledger ITC balance Output tax payment, subject to restrictions
Electronic liability register Liability register Track dues and payments

GSTR-2B draws data from GSTR-1/1A/IFF, GSTR-5, GSTR-6 and import data, and is used for auto-population and ITC control in GSTR-3B.

18. Return Filing Risk Areas

Risk area Common mistake Control
GSTR-1 vs books Invoice missed or duplicated Monthly sales register reconciliation
GSTR-1 vs GSTR-3B Liability mismatch File GSTR-1A before GSTR-3B where current-period correction needed
GSTR-2B vs ITC register ITC claimed without 2B support Vendor follow-up and ITC ageing
RCM Liability not paid in cash Maintain separate RCM register
Credit notes Tax adjustment beyond time/without recipient reversal Link every credit note to invoice
E-invoice IRN not generated though applicable Check turnover and document type
E-way bill Movement not matching invoice E-way bill vs invoice reconciliation
Annual return GSTR-9 not matching books Prepare annual reconciliation early
GSTR-9C Turnover/ITC/tax reconciliation differences Document reasons in reconciliation statement

19. Suggested Monthly Compliance Checklist

Date range Action
1st–5th Close books, sales, purchase, RCM and expense ledgers
5th–10th Reconcile e-invoices, e-way bills and outward supply register
10th–11th File monthly GSTR-1
14th Download and analyse GSTR-2B
15th–18th Finalise ITC, RCM, reversals, Rule 42/43 where applicable
18th CMP-08 for composition taxpayers
20th Monthly GSTR-3B
25th QRMP PMT-06 for first two months of quarter
22nd/24th after quarter QRMP GSTR-3B
25th after ITC-04 period ITC-04 where applicable

20. Suggested Annual GST Compliance Checklist

Period Action
April–June Finalise books and GST reconciliations for previous FY
July–September Identify missed invoices, credit notes, debit notes, RCM, ITC issues
Up to 30 November Rectify eligible omissions/inaccuracies for previous FY, subject to law
October–December Prepare GSTR-9 and GSTR-9C
By 31 December File GSTR-9 and GSTR-9C where applicable
Before audit/scrutiny Keep reconciliation file: books, GSTR-1, GSTR-3B, 2B, 9, 9C, e-invoice, e-way bill

21. Conclusion

GST compliance is now a data-linked compliance chain. GSTR-1, GSTR-1A, IFF, GSTR-3B, GSTR-2B, e-invoice, e-way bill, annual return and reconciliation statement operate together. A taxpayer should not treat return filing as isolated monthly work. Proper compliance requires classification, documentation, timely reporting, ITC control, RCM review, ledger matching and annual reconciliation.

The most important compliance discipline is this:

Correct invoice

+ Correct reporting in GSTR-1/1A

+ Correct ITC based on GSTR-2B

+ Correct tax payment in GSTR-3B

+ Correct annual reconciliation in GSTR-9/9C

= Strong GST compliance defence

****

Author Introduction:  CA Rajender Arora is a Chartered Accountant with more than 24 years of professional experience in indirect taxation, litigation support, advisory, training and GST consultancy. He is a well-known GST faculty, speaker and consultant, actively engaged in GST research, interpretation of law, drafting of replies, representation support, article writing and professional education. His work focuses on practical application of GST law, compliance management, departmental proceedings, return reconciliation, audit preparedness, litigation strategy and capacity building for professionals, businesses and trade bodies.

Disclaimer: This article is for educational and professional discussion purposes only. It is based on the GST law, rules, notifications, circulars, portal functionality and compliance practices as understood on the date of publication. It should not be construed as legal or professional advice. As GST law and portal procedures are subject to change, readers should verify the applicable provisions before acting. The author accepts no responsibility for any loss or liability arising from reliance on this article without obtaining appropriate professional advice.

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