What changed
The Income-tax Act, 2025 replaced the 1961 Act from 1 April 2026, for Tax Year 2026-27 onwards. Section numbers, forms and TDS payment codes changed: for example, 80C is now Section 123, 87A is Section 156 and salary TDS is Section 392; TDS statements 24Q, 26Q, 27Q and 27EQ became Forms 138, 140, 144 and 143; and TDS payments use codes 1001 to 1067. Returns for FY 2025-26 (AY 2026-27) are still filed under the 1961 Act.
Who is affected
All taxpayers, employers, TDS deductors and payroll or accounting software users.
Source
Income-tax Act, 2025; Income-tax Rules, 2026 (Notification 22/2026, G.S.R. 198(E)). The notification text is on the CBDT website.
Effective: 1 Apr 2026 · Note published · Last reviewed 26 September 2026
Related on this site
- Income Tax Act 2025 guide
- Income Tax Act 2025 section finder
- Income tax return filing
- Income tax tools
- Compliance calendar
This note summarises a public notification for general information. It is not professional advice and does not cover every condition or exception, and the rule can change again by a later notification. Read the notification itself before acting on it, or contact the firm with a question on your own facts.