All ITR filing deadlines for AY 2026-27 in India — original, audit, transfer pricing, belated, revised, and updated return windows plus penalties.
ITR Filing Deadline for AY 2026-27: Every Date, Every Penalty, and Every Exit Route
Filing your Income Tax Return on time is the single cheapest tax-saving move available in any financial year — it costs nothing but calendar awareness, yet missing it triggers fees, interest, and lost carry-forwards that no deduction can undo. For Assessment Year 2026-27 (Financial Year 2025-26), the Central Board of Direct Taxes has reaffirmed all standard deadlines. This guide maps every date that applies to you — original, audit, transfer pricing, belated, revised, and updated — along with the exact cost of missing each one, and step-by-step guidance on filing and verifying correctly.
At a Glance: All AY 2026-27 ITR Deadlines in One Place
| Category | Deadline | Relevant Section / Form |
|---|---|---|
| Individuals, HUFs, non-audit assessees | 31 July 2026 | Section 139(1) |
| Tax audit report (Form 3CA / 3CB + 3CD) | 30 September 2026 | Section 44AB |
| Companies, audit cases, 44AB assessees | 31 October 2026 | Section 139(1) |
| Form 3CEB (transfer pricing certificate) | 31 October 2026 | Section 92E |
| International / specified domestic transactions | 30 November 2026 | Section 139(1) |
| Belated return | 31 December 2026 | Section 139(4) |
| Revised return | 31 December 2026 | Section 139(5) |
| Updated return (ITR-U) — window 1 | 31 March 2028 (25% add. tax) | Section 139(8A) |
| Updated return — window 2 | 31 March 2029 (50% add. tax) | Section 139(8A) |
| Updated return — window 3 | 31 March 2030 (60% add. tax) | Section 139(8A) |
| Updated return — window 4 | 31 March 2031 (70% add. tax) | Section 139(8A) |
| E-verification after filing | 30 days from submission date | Rule 12AC |
Keep this table as your master reference. Every section below unpacks the mechanics behind each row.
The 31 July 2026 Deadline: Who Falls Here and What to Do
The 31 July deadline covers the largest group of taxpayers: individuals, Hindu Undivided Families (HUFs), Association of Persons (AOPs), Body of Individuals (BOIs), and any other non-corporate assessee whose accounts are not required to be audited under Section 44AB or any other law.
Choosing the Right ITR Form
Filing on the wrong form is a defective return that must be rectified. Match your income profile to the correct form:
- ITR-1 (Sahaj): Resident individuals with salary or pension, income from one house property, other sources (interest, dividends), and total income up to Rs. 50 lakh. Cannot be used if you have capital gains, brought-forward losses, or foreign assets.
- ITR-2: Individuals or HUFs with capital gains (equity, property, mutual funds), more than one house property, foreign income or assets, or total income exceeding Rs. 50 lakh.
- ITR-3: Individuals or HUFs earning business or professional income where the presumptive scheme does not apply.
- ITR-4 (Sugam): Individuals, HUFs, and firms (excluding LLPs) opting for the presumptive scheme under Sections 44AD, 44ADA, or 44AE — provided total income does not exceed Rs. 50 lakh.
If you hold shares or mutual fund units, even a single redemption pushes you from ITR-1 to ITR-2.
The New Tax Regime Default — A Trap for the Unwary
For AY 2026-27, the new tax regime is the default. If you want to continue under the old regime (to claim HRA, LTA, 80C, 80D, etc.), you must actively opt out by filing Form 10-IEA on or before your original due date — which is 31 July 2026 for non-audit individuals. Miss that window and you forfeit the old regime deductions for the entire year. There is no provision to switch after the due date has passed for salaried employees or those without business income.
Before filing, run a comparison: compute tax under both regimes using the AY 2026-27 slabs, include the Rs. 75,000 standard deduction available in the new regime for salaried taxpayers and pensioners, and check your Section 87A rebate eligibility. The new regime's Rs. 12,00,000 income threshold for the rebate (Rs. 12,75,000 effective for salaried individuals after standard deduction) means many taxpayers have zero liability even without filing Form 10-IEA — but the comparison still matters if you have large 80C or 80D investments.
Audit Cases: The 31 October 2026 Deadline
Companies (regardless of profit or loss), partnership firms and LLPs required to be audited, and any individual or firm whose turnover / gross receipts cross the thresholds under Section 44AB must file by 31 October 2026.
Section 44AB Turnover Thresholds for FY 2025-26
- Business turnover: Rs. 1 crore in general; Rs. 10 crore if cash receipts and payments each do not exceed 5% of total receipts and payments respectively.
- Profession: gross receipts exceeding Rs. 50 lakh.
- If declaring income below the presumptive threshold (Section 44AD / 44ADA) and total income exceeds the basic exemption limit, the audit requirement still applies.
The September 30 Pre-Step: Audit Report First
An important sequencing rule: the tax audit report (Form 3CB + 3CD for businesses, or 3CA + 3CD for those already audited under another law) must be filed by 30 September 2026 — a full month before the ITR due date. Your Chartered Accountant uploads the report directly on the Income Tax portal using their login, after which you accept it on your taxpayer portal account. Only then can the ITR itself be filed.
If the audit report is not filed by 30 September, the ITR filed by 31 October will still be considered valid if submitted before 31 October, but the late audit report itself attracts a penalty under Section 271B: the lower of 0.5% of turnover/gross receipts or Rs. 1,50,000.
Transfer Pricing Cases: 30 November 2026
If your company or firm has international transactions with associated enterprises, or specified domestic transactions that require an accountant's report in Form 3CEB under Section 92E, the ITR due date extends to 30 November 2026. Form 3CEB itself must be filed by 31 October 2026 — again, one month before the ITR.
Transfer pricing compliance is time-sensitive. Ensure the transfer pricing study / contemporaneous documentation is ready well before October so the chartered accountant can certify Form 3CEB without last-minute pressure.
Belated Return Under Section 139(4): Miss July 31, You Still Have Until December 31
If you miss the original due date (31 July 2026 for most individuals), you can still file a belated return under Section 139(4) up to 31 December 2026 — provided your assessment has not already been completed before that date.
A belated return is valid and legal, but it comes at a cost:
- Section 234F late fee applies immediately.
- Section 234A interest accrues on any unpaid tax.
- Losses cannot be carried forward (except house property loss, which continues to be allowed even on a belated return).
The belated return window is absolute — there is no extension beyond 31 December 2026 for AY 2026-27 unless the CBDT issues a separate notification.
Revised Return Under Section 139(5): Correcting Mistakes Before December 31
Made an error in your original return? Omitted a bank account? Forgot to disclose a fixed deposit? You can file a revised return under Section 139(5) at any time before:
- 31 December 2026, or
- Completion of your assessment — whichever is earlier.
As of the Finance Act 2022, the revised return facility extends even to belated returns. So if you filed belatedly in, say, September 2026, you can still revise that belated return before 31 December 2026. You can file multiple revisions; the last one filed before the deadline stands.
A revised return supersedes the earlier return entirely. If you are revising to add income that increases tax liability, pay the differential self-assessment tax with Section 234B/234C interest before filing the revision.
Updated Return (ITR-U) Under Section 139(8A): The 48-Month Safety Net
The Finance Act 2025 significantly expanded the Updated Return window — a mechanism introduced in 2022 to allow voluntary disclosure of additional income beyond the standard timelines. For AY 2026-27, the AY ends on 31 March 2027, and the four windows open from that date:
| Window | Last Date | Additional Tax Rate |
|---|---|---|
| 12 months from end of AY | 31 March 2028 | 25% of (tax + interest) |
| 24 months from end of AY | 31 March 2029 | 50% of (tax + interest) |
| 36 months from end of AY | 31 March 2030 | 60% of (tax + interest) |
| 48 months from end of AY | 31 March 2031 | 70% of (tax + interest) |
What ITR-U cannot do: You cannot use an Updated Return to:
- Claim or increase a refund
- Reduce your declared tax liability
- Carry forward or increase a loss
- Convert a return from one regime to another
ITR-U is strictly a tool for upward disclosure — adding income that was missed. It is not available if a search, survey, or assessment/reassessment proceeding has been initiated under the Act. The escalating surcharge makes early filing significantly cheaper: disclosing Rs. 5,00,000 of unreported income by March 2028 (25% window) costs Rs. 1,25,000 in additional tax (plus 234A/B/C interest), compared to Rs. 3,50,000 at the 70% rate.
E-Verification: The 30-Day Silent Deadline That Invalidates Filed Returns
This is the most underestimated deadline in the ITR calendar. Filing your return is not the same as completing your return. You must e-verify the return within 30 days of the date of submission on the portal. If you do not, the return is treated as if never filed, and Section 139(1) is deemed not complied with.
How to e-verify:
- Aadhaar OTP: Most common. Link your Aadhaar to your PAN, then generate OTP on the portal.
- Net banking EVC: Log in through your bank's net banking to generate an EVC code.
- Bank ATM EVC: Swipe your debit card at select bank ATMs.
- Demat account EVC: Through your depository participant.
- Physical ITR-V: Print, sign in blue ink, and send by ordinary or speed post to CPC Bengaluru 560500 within 30 days. Courier is not accepted.
If you miss the 30-day window, you can request condonation of delay in e-verification through the portal. However, this is a discretionary relief — not automatic — and the return is treated as belated (filed on the verification date, not the original upload date) if condoned.
Penalties and Interest: Worked Example with Real Rs. Numbers
Let us trace the cost of a single missed deadline for a salaried individual with income of Rs. 10,00,000 and an unpaid tax liability of Rs. 60,000 after TDS, who files on 15 October 2026 instead of 31 July 2026.
Section 234F: Late-Filing Fee
- Income exceeds Rs. 5 lakh → flat fee of Rs. 5,000
- This is charged at the time of filing the belated return. Non-negotiable.
Section 234A: Interest on Unpaid Tax
- Rate: 1% per month or part of a month
- Period: 1 August 2026 to 15 October 2026 = 3 months (August, September, and October each count as a "month or part")
- Interest = Rs. 60,000 × 1% × 3 = Rs. 1,800
Total Extra Cost of a 2.5-Month Delay
Rs. 5,000 (Section 234F) + Rs. 1,800 (Section 234A) = Rs. 6,800
Now add the invisible cost: if this taxpayer had a short-term capital loss of Rs. 1,50,000 from equity sales during FY 2025-26, that loss cannot be carried forward because the return was belated. At a 15% future gain rate, the disallowed set-off represents a future tax cost of Rs. 22,500 — dwarfing the Section 234F fee.
Section 244A: The Refund Interest You Forfeit
Section 244A grants 6% interest per annum on income tax refunds. For every month the refund is delayed due to the assessee's own delay, the interest is denied. If your refund is Rs. 20,000 and you file two months late, you lose approximately Rs. 200 of refund interest — small individually, but worth noting.
Common Pitfalls to Avoid
1. Filing before reconciling AIS and TIS. The Annual Information Statement (AIS) and Taxpayer Information Summary (TIS) on the Income Tax portal aggregate every financial transaction reported by third parties — banks, brokers, mutual funds, employers, registrars. Filing without reconciling these against your own records is the fastest route to a scrutiny notice. Download AIS/TIS, compare line-by-line, and resolve any discrepancy (by submitting feedback on the portal) before hitting "Submit."
2. Treating e-verification as optional. Every year, returns uploaded in July go unverified and are treated as never filed. Set a phone reminder the moment you submit: "Verify ITR — deadline is [upload date + 30 days]."
3. Forgetting Form 10-IEA for old regime. For salaried individuals, the decision to opt for the old regime must be made before filing. You cannot revise this choice after the original due date of 31 July 2026.
4. Paying self-assessment tax after filing. You must pay any balance tax before filing the ITR. Filing with an outstanding tax demand triggers scrutiny flags and additional interest. Generate the challan (Challan 280, online via the Income Tax portal or any authorised bank), pay, allow the payment to reflect in Form 26AS (typically T+1 banking day), then file.
5. Using ITR-1 with capital gains. Even one unit of equity mutual fund redeemed creates capital gains income that disqualifies ITR-1 use. The portal will reject the return if you try, but some taxpayers waste time on a mistaken form. Check your AIS for capital gains credits before choosing the form.
6. Assuming audit cases auto-extend to November. The 30 November deadline is only for transfer pricing assessees (Section 92E filers). All other audit cases — companies, LLPs, 44AB professionals — must file by 31 October 2026. Conflating the two dates is a costly error for mid-size firms.
Pre-Filing Checklist: What to Gather Before You Open the Portal
- Download AIS, TIS, and Form 26AS from the Income Tax portal — reconcile all three with your salary slips, bank passbooks, broker contract notes, and interest certificates.
- Identify your ITR form based on income sources (see the form selection guide above).
- Collect Form 16 (Part A and Part B) from your employer. Part A is TDS; Part B is the breakup of taxable salary.
- Gather bank interest certificates for savings accounts, fixed deposits, and recurring deposits. Interest is taxable even if TDS was not deducted (threshold TDS at banks is Rs. 40,000 per year for non-senior-citizens).
- List all equity / mutual fund transactions and compute capital gains separately for each asset class: STCG at 20% (post-Budget 2024 amendment), LTCG at 12.5% above Rs. 1,25,000 exemption for listed equity.
- Compute tax under both regimes — use the official calculator at incometax.gov.in.
- File Form 10-IEA if opting for the old regime (before filing the ITR).
- Pay self-assessment tax (Challan 280) and wait for credit to reflect in 26AS.
- File the ITR.
- E-verify within 30 days of filing.
Relief for Senior Citizens Above Age 75: Section 194P
Resident senior citizens aged 75 years or above who receive only pension from one specified bank and interest income from that same bank may be exempt from filing an ITR under Section 194P — provided they submit a declaration to the bank, which then deducts TDS on the computed total income and deposits it. The bank issues a certificate of such deduction.
This relief is conditional and narrow. If the senior citizen has any other income — rental income, capital gains from selling property or shares, interest from any other bank or fixed deposit — the Section 194P exemption does not apply and normal ITR filing rules and deadlines govern.
Key Takeaways
- 31 July 2026 is your deadline if you are a salaried individual, HUF, or any non-audit assessee. No extension should be assumed.
- 30 September 2026 is the deadline for your CA to upload the tax audit report (Form 3CA/3CB + 3CD) — the ITR itself follows by 31 October.
- 31 October 2026 applies to companies, audit cases, and 44AB assessees; 30 November 2026 only for transfer pricing cases.
- 31 December 2026 closes both the belated return (Section 139(4)) and revised return (Section 139(5)) windows — after this date, ITR-U under Section 139(8A) is the only route.
- ITR-U now covers 48 months from end of AY, but the additional tax surcharge climbs from 25% to 70% the longer you wait.
- E-verification within 30 days of filing is mandatory — an unverified return is a void return.
- Every month of delay on unpaid tax carries 1% interest under Section 234A, and a flat Rs. 5,000 fee under Section 234F (Rs. 1,000 if income ≤ Rs. 5 lakh) — but the real hidden cost is the permanent loss of carry-forward losses on a belated return.
- The new tax regime is the default for AY 2026-27; file Form 10-IEA before your due date if you want to claim old-regime deductions.





