# Key income tax deadlines from August to December 2026 released 2026-08-16T23:47:29+00:00 | Governance | Indian Opinion Desk Corroboration: 2 independent outlets Taxpayers have a series of key deadlines from August to December 2026 for ITR filing, advance tax, and audits. The July 31 deadline for non-audit taxpayers has passed, with over 5.5 crore returns filed for AY 2026-27, the Income Tax Department said. The next ITR filing deadline is August 31 for certain non-audit taxpayers, and October 31 for those subject to tax audit. Livemint reports that the second advance tax instalment (45% of estimated liability) is due by September 15, and the third (75%) by December 15. Tax audit reports must be filed by September 30. The belated return deadline for taxpayers who missed their original date is December 31. Revised returns can be filed until March 31, 2027, or before assessment completion. The Hans India adds that the Central Board of Direct Taxes (CBDT) has notified revised ITR forms for AY 2026-27 with new disclosure requirements on long-term capital gains and share buyback losses. Last year, over 9 crore taxpayers filed returns and refunds of over Rs 4.35 lakh crore were issued. ## Coverage - livemint.com - thehansindia.com This story was synthesised by AI from the 2 sources linked above. Updated: this story now draws on 2 sources. Last updated 2026-08-17T09:52:24+00:00. Tags: advance tax, belated return, income tax department, ITR, revised return, tax audit Canonical: https://indianopinion.org/8-key-income-tax-deadlines-from-august-to-december-2026/ License: Summary and commentary (c) Indian Opinion, reusable with attribution. Facts belong to the linked sources. Cite: https://indianopinion.org/8-key-income-tax-deadlines-from-august-to-december-2026/#story-in-brief How this brief was made: an AI model read the reports linked above and wrote this summary and analysis, which were published automatically. Published briefs are sampled every hour by an automated quality check; the editor verifies its findings and approves corrections, and corrected briefs carry a dated correction line. Stance labels are editorial classifications of how each outlet framed this story, assigned by the same model, not ratings of the outlets. We do no original reporting. Methodology: https://indianopinion.org/ai-use-policy/