Missed ITR Deadline? File Belated Return by 31 Dec 2026 or ITRU Till 31 March 2027 (Fees, Penalty & Saver Tips)

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Belated ITR last date 31 December 2026 and revised ITR last date 31 March 2027

⏰ FY 2025-26 (AY 2026-27): what you can still do

  • Not filed yet? File a belated return by 31 December 2026
  • Filed with a mistake? Revise up to 31 March 2027 (new, by Finance Act 2026)
  • Revising after 31 December 2026 costs a ₹1,000 / ₹5,000 fee
  • Miss both? Only the costly updated return (ITR-U) remains

👀 Eye-opener: what late filing really costs you

  • A belated filer generally loses the old tax regime for that year, which means no 80C, 80D or home-loan interest deduction on a self-occupied house.
  • Business and capital losses cannot be carried forward from a belated return. A loss you could have set off next year is gone.
  • Interest under section 234A runs at 1% per month or part of a month, so even one day into a new month adds a full month's interest.
  • 💰 Saver tip: file or revise before 31 December 2026. It is the cheapest option: no 234I fee, and you avoid the 25% to 70% extra tax of ITR-U.

⚖️Belated vs revised vs updated return

ReturnWhen to useLast date (AY 2026-27)Cost
Belated
Sec 139(4)		Not filed by due date31 Dec 2026234F fee + 234A interest
Revised
Sec 139(5)		Filed, but found a mistake31 Mar 2027Free till 31 Dec; 234I fee after
Updated (ITR-U)
Sec 139(8A)		To report extra income laterUp to 48 months25%–70% additional tax

All three deadlines end earlier if the assessment is completed first. FY 2025-26 returns are governed by the Income-tax Act, 1961.

💸Fees at a glance

FeeIncome up to ₹5 lakhIncome above ₹5 lakh
234F: belated return₹1,000₹5,000
234I: revision after 31 Dec 2026₹1,000₹5,000
🧮 Example: A salaried employee with ₹9 lakh income and ₹12,000 tax due files on 15 December 2026.
Late fee ₹5,000 + interest 1% × 5 months × ₹12,000 = ₹600, so about ₹5,600 extra.
⚠️ Note: Section 234I (Finance Act 2026) is intended for revisions filed after 31 December 2026. Some experts have pointed out a drafting issue in its wording, so watch for a CBDT clarification.

✅5 steps to file now

  1. Download AIS, TIS and Form 26AS and match them with your records
  2. Pay balance tax + interest as self-assessment tax
  3. On incometax.gov.in, choose 139(4) (belated) or 139(5) (revised)
  4. For revision, enter the original acknowledgement number and date
  5. E-verify within 30 days, otherwise the return is treated as not filed

❓Quick FAQs

What is the last date for a belated ITR for FY 2025-26?

31 December 2026, or earlier if the assessment is completed first.

Can I revise my ITR after 31 December 2026?

Yes, up to 31 March 2027 for AY 2026-27, with a fee of ₹1,000 or ₹5,000 under section 234I.

Can I choose the old tax regime in a belated return?

Generally no. The old regime must be chosen in a return filed by the due date under section 139(1).

Can I get a refund in a belated return?

Yes. However, an updated return (ITR-U) cannot be used to claim or increase a refund.

Missed your ITR or found a mistake? Get it fixed before 31 December.

Speak to a Chartered Accountant today.

📞 Call 77602 52581 💬 WhatsApp Now

References: Income Tax e-Filing Portal · Section 234I · CBDT Circular 07/2026

For general information only, based on the law as on 24 October 2026. Not professional advice. Please consult a professional for your specific case.

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