GST Compliance Calendar for September 2025
GST Compliance Calendar for September 2025

September 2025 brings several important deadlines for businesses, e-commerce operators, non-resident taxpayers, and other registered entities under GST. Timely filing of these returns is essential to avoid late fees, interest, and penalties. Below is a clear date-wise list of all GST compliances due in September 2025.
GST Compliance Calendar – September 2025
10 September 2025
- GSTR-7 – TDS return for August 2025 (to be filed by tax deductors).
- GSTR-8 – Statement of TCS for August 2025 (to be filed by e-commerce operators).
11 September 2025
- GSTR-1 – Monthly outward supply return for August 2025 (for taxpayers with turnover above Rs. 5 crore or those opting for monthly filing).
13 September 2025
- GSTR-5 – Return for non-resident taxable persons for August 2025.
- GSTR-6 – Return for Input Service Distributors (ISDs) for August 2025.
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20 September 2025
- GSTR-3B – Monthly summary return with payment of tax for August 2025.
- GSTR-5A – Return for OIDAR service providers (Online Information & Database Access or Retrieval services) for August 2025.
25 September 2025
- PMT-06 – GST challan payment for taxpayers under the QRMP scheme to discharge August 2025 liability (if ITC is insufficient).
28 September 2025
- GSTR-11 – Statement of inward supplies for UIN holders (such as embassies, UN bodies, etc.) for August 2025.
Additional Compliances
SEBI Digital Accessibility Compliance – by September 30
SEBI has extended the deadline for regulated entities to submit reports under the digital accessibility framework, in line with the Rights of Persons with Disabilities Act, 2016. Entities must now submit:
- A list of their digital platforms.
- A compliance report and action taken report.
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These were previously due by August 30 and are now due September 30, 2025.
SEBI AGM Relaxations – Up to September 30
SEBI continues to allow listed companies to hold Annual General Meetings (AGMs) via electronic means without sending physical copies of financial documents to shareholders. This relaxation under the SEBI (LODR) Regulations and MCA's General Circular remains valid until September 30, 2025.
SEBI Directive: Post-Inspection Compliance Reporting
Effective since July 1, 2025, SEBI requires trading members (brokers and trading houses) to:
- Submit a compliance status report to their assigned stock exchange.
- Implement corrective actions within the specified timeline.
- Note: Non-compliance beyond 45 days may lead to suspension of terminal access or new client onboarding. While not tied to a specific date in September, this ongoing obligation remains critical this month.
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