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Section 263 is numbered under the Income-tax Act, 1961, which governs returns up to FY 2025-26. A notice for tax year 2026-27 onwards, under the Income-tax Act, 2025, carries a new section number. Your professional maps it for you.
Questions about 263
What is a 263 notice?
Revision of an assessment. A senior officer thinks an earlier assessment was wrong and harmful to revenue, and proposes to revise it.
How long do I have to reply to 263?
As given in the notice. The date printed on your notice always takes priority.
What should I do about 263?
Defend the original assessment. A professional reply through Claw starts at ₹12,499 including GST, or ₹9,999 when you book online after verifying your mobile.