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Updated daily · today Fri, 18 September 2026
Tax compliance calendar
The next 60 days of income-tax, TDS and GST deadlines, computed from today. Freelancers: watch the advance-tax and ITR rows; GST-registered: the 11th and 20th; everyone: the 5th.
Tip of the day
Presumptive filers pay advance tax in one instalment — 15 March — instead of four (s.408(2)). →
| Date | In | What is due | For |
|---|---|---|---|
| Sun, 20 September 2026 | 2d | Professional tax deposit (most monthly states: 10th–21st; check yours) | Employers |
| GSTR-3B (monthly filers) for the previous monthQRMP: 22nd/24th by state | GST-registered | ||
| Wed, 30 September 2026 | 12d | Tax-audit report (Form 26, old 3CD) due | Everyone |
| Small-savings rates (PPF/SSY/NSC) reviewed for next quarter | Good to know | ||
| Mon, 5 October 2026 | 17d | PPF / Sukanya: deposit by today to earn this month's interest | Good to know |
| Wed, 7 October 2026 | 19d | TDS/TCS deposit for the previous monthMarch TDS: 30 April | TDS deductors |
| Sun, 11 October 2026 | 23d | GSTR-1 (monthly filers) for the previous month | GST-registered |
| Tue, 13 October 2026 | 25d | GSTR-1 (quarterly / QRMP) for the previous quarter | GST-registered |
| Thu, 15 October 2026 | 27d | PF (ECR) and ESI contributions for the previous month | Employers |
| Tue, 20 October 2026 | 32d | Professional tax deposit (most monthly states: 10th–21st; check yours) | Employers |
| GSTR-3B (monthly filers) for the previous monthQRMP: 22nd/24th by state | GST-registered | ||
| Sat, 31 October 2026 | 43d | ITR due — audit cases | Everyone |
| TDS quarterly statement (Form 140) — Q2 | TDS deductors | ||
| Thu, 5 November 2026 | 48d | PPF / Sukanya: deposit by today to earn this month's interest | Good to know |
| Sat, 7 November 2026 | 50d | TDS/TCS deposit for the previous monthMarch TDS: 30 April | TDS deductors |
| Wed, 11 November 2026 | 54d | GSTR-1 (monthly filers) for the previous month | GST-registered |
| ESI half-yearly return (Apr–Sep) | Employers | ||
| Sun, 15 November 2026 | 58d | PF (ECR) and ESI contributions for the previous month | Employers |
| TDS certificates (Form 131) to be issued — Q2 | TDS deductors |
How this calendar is built
- Advance tax: 15 June / 15 September / 15 December / 15 March (s.408(1), Income-tax Act 2025); presumptive filers under s.58 — the single 15 March instalment (s.408(2)).
- ITR: 31 July (ITR-1/2), 31 August (ITR-3/4 without audit — permanent since the Finance Act 2026), 31 October (audit), 30 November (transfer pricing), 31 December (belated/revised).
- GST: GSTR-1 by the 11th (monthly) or 13th of the quarter's next month (QRMP); GSTR-3B by the 20th (QRMP: 22nd/24th by state); GSTR-9 by 31 December.
- TDS: deposit by the 7th of the next month (March: 30 April); quarterly statements (Form 140) by 31 July / 31 October / 31 January / 31 May; certificates (Form 131) within 15 days after.
- Savings: PPF/Sukanya deposits by the 5th earn that month's interest; small-savings rates are reviewed at each quarter's end.
- Weekend/holiday shifts and government extensions are not applied — check the portal notice when a date lands on a holiday.
Last verified: 18 September 2026 — Rules verified: 15 September 2026 (s.408, s.263 IT Act 2025; CGST Rules 59/61; IT Rules 2026 forms) · Dates computed automatically each day · Not tax advice.