Section 154 of the Income Tax Act empowers Income Tax Authorities to rectify any “mistake apparent from the record” in their own orders — either on their own motion (suo motu) or on an application made by the taxpayer.

Who can initiate rectification:

• The Income Tax Authority itself — if it notices an obvious error in an order it passed
• The taxpayer — by filing a rectification application on the IT portal

Which orders can be rectified:

• Assessment orders — Section 143(1) intimation, 143(3) assessment, 144 best judgment assessment
• TDS processing statements under Section 200A(1)
• TCS processing statements under Section 206CB
• Appellate orders passed by CIT(A) or Joint Commissioner (Appeals)
• Any order passed by an Income Tax Authority

Important restriction: An issue that has already been decided in appeal or revision proceedings cannot be rectified under Section 154 — it would amount to re-opening a settled matter.

This phrase is the heart of Section 154 — and the most common source of confusion. Not every mistake qualifies. A useful test: if you need a lawyer to argue the point, it is not a mistake apparent from the record.

What IS apparent from record (rectifiable):

• Arithmetic or calculation error — ₹50,000 entered as ₹5,00,000
• TDS credit clearly in Form 26AS but not given in the intimation
• Wrong tax rate applied — when the correct rate is unambiguously specified in law
• A deduction clearly claimed in the ITR that was not allowed in the order
• Clerical errors — wrong PAN, wrong Assessment Year mentioned in the order
• Section 89(1) relief where Form 10E was filed but not considered

What is NOT apparent from record (not rectifiable under Section 154):

• Legal interpretation differences — whether a particular income is taxable or not
• New facts or evidence not on record at the time of the original order
• Fresh claims not made in the original ITR — a missed deduction is not a rectifiable “mistake”
• Change of opinion — where the AO made a deliberate decision after consideration
• Debatable issues requiring detailed examination

Income Tax Time Limits — Reassessment and Other Proceedings

• 1Identify and Document the Mistake
  Clearly identify what the error is and why it qualifies as “apparent from record.” Gather supporting documents — Form 26AS, AIS, ITR acknowledgement, Form 16, original order/intimation.
• 2Login to the IT Portal
  Go to incometax.gov.in → Login → e-File → Rectification.
• 3Select the Assessment Year
  Choose the AY for the order in which the mistake exists.
• 4Choose Rectification Type
  Three options are available on the portal:
  • Tax Credit Mismatch Only: For TDS/TCS credit issues — most common
  • Return Data Correction: Where ITR schedule data needs correction
  • Reprocess the Return: For technical processing issues — asks the system to reprocess
• 5Fill Details and Submit
  Describe the mistake clearly and factually. Attach supporting documents where the portal allows. Submit — an ARN (Acknowledgement Reference Number) is generated immediately.
• 6Track Status Regularly
  Check status on the portal under e-Proceedings. The department is legally required to pass an order within 6 months from the end of the month of receipt. The outcome will be: Accepted, Rejected, or Partially Accepted.

1. TDS Credit Mismatch — Most Frequent

A 143(1) intimation shows lower TDS credit than what appears in Form 26AS. This is the most common rectification scenario — and the most straightforward to resolve.

Select “Tax Credit Mismatch Only” — Form 26AS is the record, and the credit is clearly visible there. Most such rectifications are accepted within 30–60 days.

Employer Did Not Deposit TDS — Employee Rights Guide

2. Refund Calculation Error

The department correctly assessed tax but made an arithmetic error in computing the refund — for example, interest under Section 244A was not added or was calculated incorrectly.

Select “Return Data Correction” — the arithmetic error is apparent from the order itself.

3. Wrong Assessment Year in Order

The department processed an AY 2024-25 transaction against AY 2023-24 records — a clerical administrative error clearly apparent from the record.

4. Advance Tax Interest Wrongly Calculated

Advance tax was paid on time but the intimation charged interest under Section 234B or 234C based on wrong dates or a wrong base amount.

Advance Tax Due Dates and Interest — Complete Guide 2026

Example 1: Priya’s TDS Credit — ₹35,000 Demand Dropped

Priya (from our opening example) received a ₹35,000 demand in her 143(1) intimation. Form 26AS clearly showed ₹35,000 TDS from her employer — but the intimation had not given her credit for it.

She filed a “Tax Credit Mismatch” rectification online, attaching her Form 26AS. Within 45 days, the rectification was accepted — the demand was dropped and a refund of ₹8,000 was processed.

Key takeaway: TDS mismatch is the most efficient use of Section 154 — fast, online, and almost always successful when Form 26AS clearly shows the credit.

Example 2: Rahul’s Missed 80D — Rejected Correctly

Rahul forgot to claim his ₹25,000 Section 80D deduction in his ITR. After receiving the 143(1) intimation, he filed a Section 154 rectification asking the department to allow the 80D claim.

The department rejected it — correctly. The deduction was never in the ITR; it was not a “mistake apparent from record.” It was a fresh claim. The right remedy was a Revised ITR (if still within time) or Section 264 revision.

Key takeaway: Section 154 cannot be used to introduce new claims not made in the original return.

Example 3: Section 89(1) Relief Not Considered

Suresh received salary arrears and filed Form 10E before filing his ITR, claiming Section 89(1) relief. However, his 143(1) intimation did not give credit for the relief — the system missed it.

He filed a rectification under “Return Data Correction” — citing that Form 10E was duly filed and the calculation error was apparent from record. The department accepted the rectification and issued a corrected intimation.

Section 89(1) Relief on Salary Arrears — Complete Guide

If the department rejects your Section 154 application, you are not without recourse:

• CIT(A) Appeal — Section 246A: A rectification order (whether accepted or rejected) can itself be appealed before the Commissioner of Income Tax (Appeals). File within 30 days of the rectification order date.
• Section 264 Revision: If the case is genuine but falls outside the narrow scope of Section 154, file a revision application with the Commissioner — broader powers, no restriction to “apparent” errors.
• Writ Petition — High Court: If the department’s action is clearly arbitrary, illegal, or in violation of natural justice — a writ petition to the High Court is available as a remedy of last resort.

Income Tax Assessment Proceedings — Complete Guide

Mistake 1: Using Section 154 to introduce new claims or missed deductions
Fix: Section 154 is strictly for “mistake apparent from record.” A deduction not claimed in the ITR is not an error in the order — it is an error in your filing. Use Revised ITR or Section 264 instead.

Mistake 2: Calculating the 4-year limit from the order date, not FY end
Fix: The 4 years run from the end of the financial year in which the order was passed. An order dated July 2022 (FY 2022-23) gives you until March 31, 2027 — not July 2026. Always calculate correctly.

Mistake 3: Filing and not tracking status
Fix: The department must decide within 6 months from the end of the month of receipt. If 6 months pass with no order, follow up in writing or consider filing a writ petition. Regular portal monitoring is essential.

Mistake 4: Paying a demand immediately to “avoid trouble” before trying rectification
Fix: If the demand is clearly wrong due to an apparent error, file the rectification first. Paying first and claiming refund later is slower and more complicated. However, if department enforcement action is imminent, applying for stay of demand alongside rectification is a practical approach.