Income tax notice · 143(1)(a)

Proposed adjustment before processing

The department proposes to change something in your return before processing it, for example a deduction that doesn't match Form 16 or AIS. If you don't reply, the change is made.

Income tax · 143(1)(a)

Proposed adjustment before processing

Usually routine

The department proposes to change something in your return before processing it, for example a deduction that doesn't match Form 16 or AIS. If you don't reply, the change is made.

Time to respond
30 days
What to do
Agree or disagree online, with reasons
Professional reply
from₹1,199incl. GST

The date printed on your notice always wins over the usual period shown here. Law: Income-tax Act, 1961.

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Section 143(1)(a) 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 143(1)(a)

What is a 143(1)(a) notice?

Proposed adjustment before processing. The department proposes to change something in your return before processing it, for example a deduction that doesn't match Form 16 or AIS. If you don't reply, the change is made.

How long do I have to reply to 143(1)(a)?

30 days. The date printed on your notice always takes priority.

What should I do about 143(1)(a)?

Agree or disagree online, with reasons. A professional reply through Claw starts at ₹1,199 including GST, or ₹999 when you book online after verifying your mobile.

Other Income tax notices