The Classic Partners LLP
Section 143(1)(a) Notice
Received a proposed adjustment intimation under Section 143(1)(a)? You have only 30 days to respond before the adjustment is made automatically. Our CAs reply correctly and protect your refund.
Reply to 143(1)(a)What is a Section 143(1)(a) Notice?
A notice under Section 143(1)(a) of the Income Tax Act is a communication of proposed adjustments to your return during automated processing at the Centralised Processing Centre (CPC). It is issued when the system finds an apparent inconsistency — such as a mismatch between your return and Form 16, Form 26AS, or AIS, an arithmetical error, or an incorrect claim evident from the return itself.
Unlike a final intimation, this is a chance to explain before the adjustment is made. If you do not respond within 30 days, the CPC processes the return with the proposed adjustment — often turning an expected refund into a tax demand. Read our complete income tax notice overview to understand where this notice fits.
Common Reasons for a 143(1)(a) Adjustment
- Arithmetical errors or internally inconsistent claims in the return.
- Deduction claims (80C, 80D, HRA, etc.) not matching Form 16 issued by the employer.
- Income appearing in Form 26AS/AIS but not disclosed in the return.
- Disallowance of loss or deduction claimed in a belated return.
- Disallowance of expenditure indicated in the audit report but not added back.
What We Handle
Notice Decoding
Identifying exactly which adjustment is proposed and why.
Reconciliation
Matching your return with Form 16, 26AS, AIS, and TIS data.
Online Response
Filing "agree" or "disagree" responses with evidence on the portal.
Revised Return
Filing a revised return where the error is genuinely yours.
Refund Protection
Ensuring valid claims are not wrongly adjusted away.
Escalation Support
Rectification or CIT (Appeals) if a wrong adjustment is made.
Why Choose The Classic Partners
- Qualified Chartered Accountants who handle CPC adjustments daily.
- 30-day deadline tracking so the response window is never lost.
- Evidence-backed replies that get proposed adjustments dropped.
- Transparent fees and a single point of contact for your case.
Frequently Asked Questions
What is the time limit to respond to a 143(1)(a) notice?
You must respond within 30 days of the notice. If no response is filed, the CPC processes the return after making the proposed adjustment.
How do I respond to a 143(1)(a) notice online?
Log in to the e-filing portal, go to e-Proceedings, select the notice, and submit your agree/disagree response with supporting documents for each proposed adjustment.
What is the difference between 143(1) and 143(1)(a)?
Section 143(1)(a) is the proposed adjustment communication issued before processing, giving you a chance to respond. Section 143(1) is the final intimation issued after processing, showing the demand, refund, or no change.
What happens if I disagree with the proposed adjustment?
You can select "disagree" and submit an explanation with evidence. If the CPC accepts it, the adjustment is dropped; if not, the adjustment is made and you can seek rectification or appeal before CIT (Appeals).
Can a 143(1)(a) adjustment reduce my refund?
Yes. If the adjustment increases your income or disallows a deduction, your refund can shrink or convert into a demand — which is why a timely, well-supported response is important.
Got a 143(1)(a) notice?
Respond within 30 days with a CA-drafted reply and protect your refund.
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