Section 143(1) intimation, how to read it and respond.

Section 143(1) of the Income Tax Act authorises the Centralised Processing Centre (CPC) at Bengaluru to process ITRs automatically. The system runs arithmetic checks, matches TDS claimed against Form 26AS, verifies tax paid against liability computed, and issues an intimation with one of three outcomes:

• Refund due — TDS or advance tax exceeded final liability; refund credited to pre-validated bank account.
• Demand payable — final liability exceeded tax paid; pay within 30 days or interest + penalty.
• Nil — return accepted as filed.

Section 143(1) is NOT scrutiny. It is automated reconciliation. If you receive a 143(1), the Department has not questioned your return — it has just processed it. Scrutiny is a separate notice under Section 143(2).

Timeline: issued typically 60-90 days post-filing; must be issued within 9 months from the end of the FY in which the return is filed.

If refund due: no action needed unless the amount is wrong. Refund credits to your pre-validated bank account (ensure PAN-Aadhaar + bank account validation is current on the e-filing portal) within 15-45 days. If no credit after 60 days, raise Refund Reissue on the portal.

If demand payable:

• Compare the Department's computation (right column of 143(1)) with your ITR computation (left column). Find the difference.
• Common causes: TDS not matched (claimed in ITR but not in Form 26AS); deduction disallowed (e.g., Section 80C claimed but PF/LIC not reflected); interest under Section 234A/B/C added; standard deduction mismatch; HRA computed differently.
• If demand is correct — pay within 30 days via Challan 280 using the specific Section Code mentioned in the intimation.
• If demand is wrong — file Rectification under Section 154 within 4 years from end of the FY in which the intimation was passed.

If nil (return accepted): no action needed. Save the intimation PDF for your records; it is the official closure of return processing.

Section 154 allows the taxpayer (or the Department) to rectify a mistake apparent from record. Three common Section 154 rectifications for 143(1) demands:

1. TDS mismatch — TDS claimed in ITR not reflected in Form 26AS. Verify Form 26AS; if TDS is missing, chase the deductor (employer / bank / client) to file corrected Form 24Q/26Q. Once reflected, file Section 154 rectification online.
2. Deduction disallowed — e.g., Section 80C claim rejected because the deductor did not report the LIC/ELSS/NPS contribution. Collect the proof document (LIC premium receipt, ELSS statement, NPS annual statement) and file Section 154 with the proof.
3. Arithmetic error — CPC computed something differently (standard deduction, slab, surcharge). Prepare the correct computation and file Section 154 referencing the specific line item.

Filing route: Login to incometax.gov.in → e-File → Rectification → Request Type: 'Reprocess the return' or 'Tax Credit Mismatch Correction' or 'Return Data Correction'. Attach supporting documents. CPC responds within 60-90 days typically.

• Ignoring the demand for 30 days — interest under Section 220(2) at 1% per month starts. Even if you plan to rectify, respond or pay within the window.
• Paying the demand without checking — many 143(1) demands are reversible via Section 154. Pay only after verifying the Department's computation is correct.
• Not updating bank account — refund fails if the bank account on the e-filing portal is not pre-validated. Check Profile → My Bank Account before filing ITR each year.
• Missing Form 26AS reconciliation — if TDS deductors have not reported, the TDS does not appear in Form 26AS even if you have Form 16A. Reconcile before filing to avoid 143(1) mismatch.
• Mistaking 143(1) for scrutiny — 143(1) is automated. 143(2) is scrutiny with 6-month response window and specific document calls.

Full ITR context: ITR Filing AY 2026-27. Last updated: 2026-10-10.