Belated, Revised or Updated Return: Which ITR Fits Your Situation This Year
Belated, Revised or Updated Return: Which ITR Fits Your Situation This Year
Three fallback returns exist after the regular deadline passes. Each fixes a different problem, closes on a different date and carries a different price for AY 2026-27.
Most people meet these three words only after something has gone wrong. The July deadline slipped past during a busy month. A Form 16 arrived late and the deduction you claimed turns out to be wrong. Or, two years later, an AIS entry shows interest from a fixed deposit you had forgotten existed. Each of these is a different problem, and the Income Tax law gives each its own repair tool: the belated return, the revised return and the updated return.
Picking the wrong one is surprisingly common, and the cost of choosing late can climb steeply. The good news is that the decision comes down to two questions you can answer in a minute: have you already filed, and does the fix lower or raise your tax?
One Situation, One Return: The Three Routes at a Glance
Think of the three returns as three doors on the same corridor. You walk through only the one that matches where you are standing. The legal labels come from the Income-tax Act, 1961, which still governs income earned in FY 2025-26 even though the new Income-tax Act, 2025 came into force on 1 April 2026.
Belated Return
Section 139(4)
For the person who never filed by the original due date. It is your first return for the year, just late.
Filed after the due dateRevised Return
Section 139(5)
For the person who already filed an original or belated return and needs to correct an error or omission.
Replaces an earlier returnUpdated Return
Section 139(8A)
For the person who missed reporting income and has run out of time for the other two routes.
Discloses additional incomeFrom Tax Year 2026-27 onwards, the new Act merges all of these into a single provision, Section 263, with belated, revised and updated returns sitting in sub-sections 4, 5 and 6. If you see those numbers in newer articles, they describe the same three tools for next year’s income, not a new set of options.
The Belated Return: Late Is Still Better Than Never
A belated return is simply an original return filed after the deadline. For AY 2026-27, the ITR-1 and ITR-2 due date was 31 July 2026 and was not extended. Taxpayers filing ITR-3 or ITR-4 without an audit had until 31 August 2026 under the Budget 2026 change. Anyone who missed their date can still file until 31 December 2026.
What lateness actually costs you
- A late fee under Section 234F of ₹1,000 if total income is up to ₹5 lakh, and ₹5,000 above that.
- Interest under Section 234A at 1% per month on any tax still unpaid, counted from the day after the due date.
- Loss of the right to carry forward most losses, such as business losses and capital losses, to future years.
- Refunds still arrive, but later, because processing starts only when you file.
Many assume a belated return is the end of the road for fixing mistakes. It is not. Under the Budget 2026 change, a belated return can itself be revised until 31 March 2027, so filing in late December no longer leaves you with zero time to correct it.
The Revised Return: Your Eraser, Now With Three Extra Months
A revised return completely replaces the return you filed earlier. It is the right tool for a wrong bank account, a missed deduction, an incorrect income head, a forgotten interest entry or the wrong ITR form. Crucially, it works in both directions: it can raise your tax, lower it or increase your refund.
Until last year, the revision window closed on 31 December, the same day as the belated deadline. Budget 2026 pushed it to the end of the assessment year, so for AY 2026-27 you can revise until 31 March 2027, or until assessment is completed, whichever comes first. There is no fixed limit on how many times you can revise inside that window; each version replaces the one before.
If the fix reduces your tax or raises your refund, the revised return is the only route that can do it. An updated return cannot. So if you spot a missed deduction, act before 31 March 2027.
The Updated Return: The Last Door, and It Gets Pricier Every Year
The updated return, filed on Form ITR-U, exists for one purpose: letting you voluntarily disclose income you left out, before the department finds it. Since Budget 2025, it can be filed up to 48 months after the end of the assessment year. For AY 2026-27, that means as late as 31 March 2031.
The catch is the additional tax under Section 140B. You pay the regular tax and interest on the omitted income, plus a percentage of that total, and the percentage rises the longer you wait.
Percentage of aggregate tax plus interest, counted from the end of the assessment year. Lower rows show the Budget 2026 route of filing after a reassessment notice, which adds 10 percentage points.
Where the updated return shuts its door
- It cannot reduce your tax liability or increase a refund.
- It generally cannot be a return of loss, though Budget 2026 now allows one that only reduces a loss already claimed.
- Only one updated return is allowed per assessment year, and it cannot be revised afterwards.
- It is barred where assessment, reassessment or a search or survey is already pending or completed for that year, subject to the new reassessment-notice route.
Worked example: what waiting really costs
Suppose you forgot interest income in your AY 2026-27 return, and the tax plus interest on it comes to ₹20,000.
- Revised return by 31 March 2027: you pay about ₹20,000, with no additional tax.
- ITR-U by 31 March 2028: ₹20,000 plus 25% (₹5,000) equals ₹25,000.
- ITR-U by 31 March 2029: ₹20,000 plus 50% (₹10,000) equals ₹30,000.
- ITR-U by 31 March 2031: ₹20,000 plus 70% (₹14,000) equals ₹34,000.
Same mistake, a 70% gap in cost, driven entirely by the calendar. Interest also keeps running in the background, so the real gap is usually larger.
Your AY 2026-27 Calendar: Every Date That Moves the Answer
The right return depends heavily on what today’s date is. Here is the full sequence for income earned between April 2025 and March 2026.
- 31 Jul 2026
Original due date for ITR-1 and ITR-2 filers. Not extended.
- 31 Aug 2026
Due date for ITR-3 and ITR-4 filers without a tax audit, under the Budget 2026 change.
- 21 Nov 2026
Due date for audit cases, extended from 31 October by a CBDT press release dated 28 September 2026.
- 31 Dec 2026
Last date for a belated return.
- 31 Mar 2027
Last date for a revised return, or completion of assessment if earlier.
- 31 Mar 2028
End of the 25% ITR-U slab.
- 31 Mar 2029
End of the 50% ITR-U slab.
- 31 Mar 2031
Final date for any updated return for this year, at 70%.
Side by Side: How the Three Returns Really Differ
| Feature | Belated | Revised | Updated (ITR-U) |
|---|---|---|---|
| Section (1961 Act) | 139(4) | 139(5) | 139(8A) |
| Section (2025 Act) | 263(4) | 263(5) | 263(6) |
| Use it when | You never filed on time | You filed and found an error | You left out income and other windows closed |
| Deadline for AY 2026-27 | 31 Dec 2026 | 31 Mar 2027 | 31 Mar 2031 |
| Main cost | ₹1,000 or ₹5,000 fee plus interest | Tax difference plus interest | 25% to 70% additional tax |
| Can lower tax or raise refund | Yes, as a first return | Yes | No |
| How many times | Once | Multiple, within the window | Once per year |
| Carry forward losses | Mostly lost | Depends on original filing date | Not for new losses |
Which Door Is Yours? Five Real-World Scenarios
You simply forgot to file in July
Belated return, before 31 December 2026. File sooner rather than later, because interest on unpaid tax grows every month.
You filed, then your employer issued a corrected Form 16
Revised return, before 31 March 2027. It replaces the original, and any extra refund due to you flows through.
You filed a belated return in December and spotted a typo in January
Revised return. Budget 2026 now leaves roughly three months after the belated deadline for exactly this case.
It is 2028 and an old capital gain was never reported
Updated return, at 50% additional tax if you file before 31 March 2029. Every month of delay risks moving you into the next slab.
You received a reassessment notice
Since Budget 2026, an updated return may be filed in response, within the time the notice allows, at an extra 10 percentage points. This is a situation where professional advice is worth its fee.
What We Know and What Remains Open
What We Know
- AY 2026-27 returns are governed by the Income-tax Act, 1961.
- The belated deadline is 31 December 2026.
- The revised deadline moved to 31 March 2027 under Budget 2026.
- ITR-U remains open for 48 months, at 25%, 50%, 60% or 70%.
- Audit-case ITR due date moved to 21 November 2026, per the CBDT press release of 28 September 2026.
What Is Still Unclear
- The formal notification for the 28 September audit extension had not been published at the time of writing.
- Published guides disagree on whether a fee applies to a revised return filed between January and March 2027; check the portal before filing.
- No extension of the 31 December belated deadline has been announced. A two-week extension was granted for AY 2024-25, but that is not a promise for this year.
Frequently Asked Questions
What is the last date to file a belated ITR for AY 2026-27?
31 December 2026, unless the government notifies an extension. A late fee of ₹1,000 or ₹5,000 applies depending on income.
Can I revise a belated return?
Yes. A belated return can be revised, and for AY 2026-27 the revision window runs until 31 March 2027 or completion of assessment, whichever is earlier.
How many times can I file a revised return?
There is no fixed limit. You can revise as many times as needed within the deadline, and each revised return replaces the previous one.
Can I claim a refund through an updated return (ITR-U)?
No. An updated return cannot reduce tax or increase a refund. Use a revised return within its window for that.
How much extra tax does ITR-U cost?
25% of the tax plus interest within 12 months of the end of the assessment year, 50% within 24 months, 60% within 36 months and 70% within 48 months.
Can I file ITR-U if I never filed an original return?
Yes, an updated return can be filed even if no original or belated return was filed, provided it results in additional tax and no bar applies.
Do the section numbers change under the new Income-tax Act, 2025?
For income from Tax Year 2026-27 onwards, all three returns fall under Section 263. Returns for AY 2026-27 still use the 1961 Act sections.
Will I lose my capital losses if I file late?
Generally yes. Business and capital losses cannot be carried forward from a belated return, so filing on time matters if you have losses to set off.
The Short Version
Missed the date entirely? Belated return, by 31 December 2026. Filed but made a mistake? Revised return, by 31 March 2027, and it can even increase your refund. Forgot income and both windows are shut? Updated return, until 31 March 2031, but every year of waiting adds to the bill, from 25% up to 70%. The cheapest fix is almost always the earliest one.
