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Income-tax Act, 2025 and Income-tax Rules, 2026 in force

All taxpayers, employers, TDS deductors and payroll or accounting software users.

Income tax

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

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