Income-tax Act, 1961Section 149
- 148 notice: within 3 years 3 months from end of the assessment year
- Up to 5 years 3 months if escaped income is ₹50 lakh or more and the AO has evidence
- 148A show-cause: 3 years, or 5 years for ₹50 lakh+
- Regime substituted by Finance (No. 2) Act 2024 from 1 September 2024
Applies to FY 2025-26 (AY 2026-27) and earlier years.