Section 143(1) Intimation Explained: Refund, Tax Demand and What to Do Next

Written by Finnovate

Content Team

You filed your income tax return, completed verification and then received an email referring to an “Intimation under Section 143(1)”. The document may show no change, a refund, a lower refund, an adjustment to income or loss, or an additional amount payable.

Receiving this intimation does not automatically mean that your return has been selected for scrutiny. It is generally the result of preliminary processing by the Centralised Processing Centre (CPC). What matters is the outcome shown and whether CPC’s figures match the return you filed.

Section 143(1) Intimation: Quick Answer

• No demand and no refund: Review the figures and retain the intimation. No response is normally required if everything matches and the portal shows no pending action.
• Refund due or reduced: Compare the refund claimed with the refund determined, then check tax credits, earlier demands and bank details.
• Demand due: Find the first mismatch before paying. The demand may arise from a missing TDS credit, challan mismatch, adjustment, interest or fee.
• Adjusted income or loss: Review it even when no money is immediately payable because it may affect later tax years.

Section 143(1) Outcome Flowchart

Use the flowchart to identify the result shown in the intimation. Then read the relevant action section below before paying, disputing or correcting anything.

What Does Section 143(1) Mean?

After an ITR is filed and verified, CPC processes the return. It checks the return for specified issues, computes tax and interest, gives eligible credit for taxes reflected in the system and determines the final result.

A return processed under Section 143(1) should not be described as permanently approved in every respect. Further proceedings may still take place where the law permits them.

Proposed Adjustment Under Section 143(1)(a) vs Final Intimation

These are two different communications and should not be treated as one.

What Can CPC Adjust While Processing the Return?

Section 143(1) processing is not a full investigation. CPC can make specified preliminary adjustments, including:

The adjustment must remain within the scope permitted by the section. A complex factual or legal dispute that requires fresh investigation is different from a simple processing adjustment.

How to Read a Section 143(1) Intimation

1. Confirm the basics. Check your name, PAN, assessment year, ITR form, acknowledgement number, filing date and the date of intimation.
2. Locate the comparison columns. The intimation generally shows the figures reported in your ITR and the figures processed by CPC.
3. Read from the top. Compare total income, deductions, taxable income, tax, interest, fees and tax credits in that order.
4. Find the first mismatch. Later differences in refund, interest or demand are often the mathematical result of that first change.

Why Can a Demand or Lower Refund Arise?

1. TDS is claimed but not fully reflected in Form 26AS

Your Form 16 or Form 16A may show tax deducted, while the deductor’s statement has not been filed correctly or contains the wrong PAN or amount. CPC generally grants tax credit based on the tax-credit information available in the system.

2. A tax challan was paid but entered incorrectly

A demand can arise when self-assessment tax or advance tax was paid under the wrong assessment year, omitted from the ITR or entered with incorrect challan details.

3. A deduction, loss or return schedule was adjusted

The issue may be a statutory limit, missing return information, late filing or an inconsistency between schedules.

4. Interest or late-filing fee was recalculated

CPC may calculate interest under Sections 234A, 234B or 234C and fee under Section 234F where applicable. A change in processed income or available tax credit can also change the interest calculation.

5. An earlier demand was adjusted against the refund

A current-year refund may be reduced where an earlier outstanding demand exists. Check the outstanding-demand section before assuming that the present return was processed incorrectly.

What Should You Do After Receiving the Intimation?

Your original ITR contains an omission or wrong statement

Check whether a revised return under Section 139(5) is still available. For AY 2026-27, the normal statutory cutoff is December 31, 2026, or completion of assessment, whichever is earlier.

Your filed ITR is correct, but CPC processing contains an apparent error

A rectification request under Section 154 may be appropriate. Common portal routes include reprocessing, tax-credit mismatch correction and permitted return-data correction.

You disagree with the adjustment or legal position

An intimation that adjusts returned income may be appealable through Form 35. An appeal generally has to be filed within 30 days from service of the relevant order or demand, subject to the applicable provisions. Professional review is advisable before taking this route.

Useful Income Tax Portal Steps

Download the Section 143(1) intimation

1. Log in to the Income Tax e-Filing portal.
2. Go to e-File > Income Tax Returns > View Filed Returns.
3. Select the relevant assessment year and use the available option to download the intimation order.

Respond to a proposed adjustment under Section 143(1)(a)

1. Open Pending Actions > e-Proceedings.
2. Review every proposed variance separately.
3. Select agree or disagree, add the required response and submit the declaration.

Respond to an outstanding demand

1. Open Pending Actions > Response to Outstanding Demand.
2. Accept, partly disagree or fully disagree, as applicable.
3. Pay the undisputed amount where required and retain the transaction details.

File a rectification request

1. Go to Services > Rectification.
2. Select the relevant CPC intimation or order.
3. Choose the suitable rectification type and submit the corrected information permitted by that route.

Important Time Limits

Example: Tax Paid but Demand Still Raised

A salaried taxpayer pays ₹18,500 as self-assessment tax before filing. CPC later raises a demand for the same amount plus interest.

The demand is the result. The missing tax credit is the cause. Depending on the record and processing status, the taxpayer may need a tax-credit correction or rectification and should also respond to the outstanding demand. Paying the same tax again without checking the challan could create a duplicate payment.

Documents to check before paying or disputing

• Section 143(1) intimation and filed ITR
• ITR acknowledgement and tax computation
• Form 16, Form 16A and Form 26AS
• AIS and TIS
• Advance-tax and self-assessment-tax challans
• Capital-gain statements and deduction schedules, where relevant
• Previous demand, refund or rectification communications

FAQs

1. Is a Section 143(1) intimation a scrutiny notice?

No. Section 143(1) is preliminary processing. A scrutiny notice under Section 143(2) is a separate communication.

2. Does a processed ITR mean every claim has been finally accepted?

No. It means the return has been processed under Section 143(1). Further proceedings may still be initiated where legally permitted.

3. Do I need to respond when it says no demand and no refund?

A separate response is normally not required if the figures match and the portal shows no pending action. Retain the intimation and supporting records.

4. What is the difference between Section 143(1)(a) and Section 143(1)?

Section 143(1)(a) covers specified adjustments during processing. CPC first communicates a proposed adjustment and gives you an opportunity to respond. The final Section 143(1) intimation shows the processed result.

5. Why did I receive a demand even though I already paid tax?

The challan may be missing, entered incorrectly, paid under the wrong assessment year or not matched during processing. Check the tax-paid schedule before paying again.

6. Can I disagree with only part of the demand?

Yes. The portal allows a taxpayer to disagree with the demand in full or in part and pay the undisputed amount, where applicable.

7. Can I file a revised return after receiving the intimation?

If your original return contains an omission or wrong statement, check whether the Section 139(5) revision period is still open and whether assessment has been completed. The right route depends on the error and processing stage.

8. What is the difference between a revised return and rectification?

A revised return corrects your filed return. Rectification corrects a mistake apparent from the record in a processed intimation or order.

9. Can a Section 143(1) adjustment be appealed?

An intimation making an adjustment to returned income may be appealable, subject to the applicable conditions and deadline.

10. What happens if I ignore an outstanding demand?

The demand may be confirmed, remain payable against your PAN or be adjusted against a future refund. Submit a response even if you disagree.

Conclusion

A Section 143(1) intimation is usually a processing result, not a scrutiny notice. But the document should still be reviewed carefully.

Compare the figures reported in your ITR with the figures processed by CPC, find the first mismatch and then choose the route that matches the cause. That may mean retaining the intimation, tracking a refund, responding to a demand, filing a revised return, seeking rectification or considering an appeal.

Disclaimer: This article is for general information and educational purposes only. It does not constitute tax, legal or investment advice. The discussion is based on provisions and portal guidance relevant to Section 143(1) of the Income-tax Act, 1961 for AY 2026-27. The correct response depends on the actual intimation, return, tax-credit records, legal position and applicable deadline. Please consult a qualified tax professional for guidance specific to your case.