All FY 2026-27 compliance deadlines (Apr 2026 – Mar 2027) covering ongoing Tax Year 2026-27 obligations and AY 2026-27 filings (FY 2025-26 income), plus post-year filings relating to FY 2026-27 (Apr – Dec 2027). Dates per CBDT / CBIC / MCA notifications; subject to extension orders.
New for FY 2026-27: Income Tax Act 2025 is in force from 1 April 2026. "Tax Year 2026-27" replaces the AY/PY framework for income earned from 1 April 2026 onwards. AY 2026-27 terminology (FY 2025-26 income) continues under the old Act. ITR-3/4 non-audit due date extended to 31 August (permanent). New TDS forms: 138/139/144. Tax audit now consolidated as Form 26.