ITR Filing Last Date for AY 2026-27 and Late Penalties

ITR Filing Last Date AY 2026-27

Where things stand (September 9, 2026): The July 31 and August 31 non-audit due dates are behind us. Two routes remain for AY 2026-27. A belated return under Section 139(4) can be filed until December 31, 2026, with the Section 234F fee (Rs 5,000, or Rs 1,000 if total income is up to Rs 5 lakh) and Section 234A interest at 1% per month on tax still unpaid. Once that window closes, only an Updated Return (ITR-U) under Section 139(8A) remains, available for 48 months from the end of the assessment year with additional tax of 25% to 70% depending on how late it is filed. The rest of this guide explains each date in detail. Tax Garden files belated and updated returns on a fixed fee.

AY 2026-27 (income of FY 2025-26) is the last filing year under the Income-tax Act, 1961; the Income-tax Act, 2025 applies from tax year 2026-27. CBDT notified ITR forms 1 through 7 for AY 2026-27 on March 30, 2026. The deadlines have also shifted: ITR 3 and ITR 4 filers no longer share the July 31 cutoff with salaried filers, and audit and transfer pricing cases retain their separate windows.

This guide lists every ITR filing last date for AY 2026-27, the penalties under Sections 234F and 234A, the belated return rules, and how the four-year ITR-U window now works.

ITR Filing Last Date AY 2026-27 by Form

Deadline Timeline

AY 2026-27 ITR Filing Deadlines

Original due dates by form type under Section 139(1) of the Income Tax Act

1. July 31, 2026

   ITR 1, ITR 2 and other non-business cases

   Salaried individuals, pensioners, capital gains and other filers without business income or audit

2. August 31, 2026

   ITR 3, ITR 4, ITR 5 (non-audit business)

   Business, professional and presumptive income, firms and LLPs whose accounts are not audited: Finance Act 2026

3. October 21, 2026

   Tax Audit Report (Form 3CD)

   Audit report due before the return for Section 44AB cases (extended from September 30 by CBDT Circular 07/2026)

4. November 21, 2026

   Companies and audit cases (ITR 3, 5, 6, 7)

   Companies, and assessees whose accounts are audited under the Income-tax Act or any other law (extended from October 31 by CBDT Circular 07/2026)

5. November 30, 2026

   Transfer Pricing cases (Form 3CEB)

   International transactions or specified domestic transactions under Section 92E

6. December 31, 2026

   Belated Returns

   Section 139(4): Section 234F late filing fee applies

7. March 31, 2027

   Revised Returns

   Section 139(5): Section 234I fee if revised after December 31, 2026

8. March 31, 2031

   Updated Return (ITR-U)

   48-month window under Section 139(8A): additional tax of 25% to 70% applies

Source: Income Tax Act, Sections 139(1), 139(4), 139(5), 139(8A), 44AB, 92E; Finance Act 2026; CBDT ITR form notification March 30, 2026

The Income Tax Act sets the original due date for filing returns under Section 139(1). For AY 2026-27, the key dates are shown in the timeline above.

The due date applies even when no tax is payable; our guide on when nil ITR filing is still mandatory lists the Section 139(1) conditions that still force a return.

The earliest cutoff is July 31, 2026. The latest is November 30, 2026. After these original dates, only a belated return is possible.

July 31, 2026: Salaried, Pensioner, and Non-Audit Individual Filers (PASSED)

This was the date most filers in India needed to meet. It applied to:

• ITR 1 (Sahaj) filers: salaried employees, pensioners, and small landlords with simple income up to Rs 50 lakh. Form 16 from the employer is the primary input (Form 130 replaces it only from tax year 2026-27).
• ITR 2 filers: individuals with capital gains, foreign assets, multiple properties beyond the ITR 1 limit, or income above Rs 50 lakh.
• ITR 5 filers without business income and without audit (for example, some AOPs and BOIs).

Filing before July 31 keeps your loss carry-forward rights, your refund processing in the regular queue, and avoids the Section 234F late filing fee. Belated filers also lose the ability to switch tax regimes for that year.

For the form-level walkthroughs, see the ITR 1 Sahaj filing guide and the ITR Filing Guide AY 2026-27.

August 31, 2026: ITR 3 and ITR 4 (Non-Audit Business and Presumptive)

The Finance Act 2026 made the August 31 due date permanent for ITR 3 and ITR 4 in non-audit cases. Earlier, these forms shared the July 31 cutoff with salaried filers, with year-by-year extensions when the business community asked for more time. From AY 2026-27 onwards, the extra month is built in.

Who files by August 31:

• ITR 3 filers: individuals and HUFs with proprietorship business income, profession income, or income from a partnership firm as a partner, where Section 44AB tax audit does not apply.
• ITR 5 filers: firms and LLPs with business or professional income whose accounts are not audited.
• ITR 4 (Sugam) filers: small businesses opting for presumptive taxation under Section 44AD (turnover up to Rs 2 crore, or Rs 3 crore if cash receipts are within 5%), professionals under Section 44ADA (gross receipts up to Rs 50 lakh, or Rs 75 lakh if cash receipts are within 5%), and goods carriage operators under Section 44AE.

For the ITR 3 and ITR 4 walkthroughs, see the ITR 3 guide for AY 2026-27 and the ITR 4 Sugam filing guide.

November 21, 2026: Tax Audit Cases Under Section 44AB

Taxpayers who fall under a Section 44AB tax audit get an extended return-filing window because the audit report must be filed first. The audit report itself was due by October 21, 2026, and the return is due by November 21, 2026 (extended by CBDT Circular 07/2026 dated 28 September 2026 from September 30 and October 31, 2026).

A tax audit is mandatory if:

• Business turnover exceeds Rs 1 crore in the financial year, with the threshold raised to Rs 10 crore if cash receipts and cash payments are each within 5% of the total (Section 44AB(a)).
• Professional gross receipts exceed Rs 50 lakh in the financial year, or Rs 75 lakh if cash receipts are within 5% (Section 44AB(b)).
• A presumptive scheme assessee (Section 44AD or 44ADA) declares lower than the prescribed presumptive profit and total income exceeds the basic exemption limit (Section 44AB(d) for 44ADA, Section 44AB(e) for 44AD(4) cases).
• A goods carriage operator declares income lower than the Section 44AE amount (Section 44AB(c)).

Every company filing ITR 6 has a November 21, 2026 due date (unless transfer pricing applies), whether or not it needs a Section 44AB tax audit, because its accounts are audited under the Companies Act.

November 30, 2026: Transfer Pricing and International Transaction Cases

Taxpayers who must file Form 3CEB (transfer pricing report) under Section 92E because they have international transactions or specified domestic transactions get the latest original due date: November 30, 2026. The Form 3CEB is itself due by October 31, 2026, and the return follows a month later.

This date applies to cross-border subsidiaries, Indian companies with associated enterprises abroad, and certain specified domestic transactions where the aggregate value crosses the prescribed threshold. The actual ITR form filed remains ITR 3, ITR 5, ITR 6, or ITR 7 based on the entity type.

Section 234F Late Filing Fee for AY 2026-27

If you file your return after the original due date but on or before December 31, 2026, you owe a Section 234F late filing fee:

The fee is automatic and payable along with your tax liability through an e-Challan inside the income tax e-filing portal. There is no waiver mechanism.

Section 234A Interest on Unpaid Tax

If self-assessment tax is payable when you file late, Section 234A interest at 1% per month or part of a month runs from the day after the original due date until the date of filing. Even one day past the deadline counts as a full month for this calculation. Section 234A is in addition to the Section 234F late filing fee.

For incomplete advance tax payment, Section 234B and Section 234C interest also apply at 1% per month, but those start running from April 1 of the assessment year and from the relevant advance tax instalment dates respectively, independent of when you file.

Belated Return Window: Up to December 31, 2026

Section 139(4) allows a belated return to be filed any time up to December 31, 2026 for AY 2026-27, with the Section 234F late filing fee. The belated return is fully valid for refund claims and tax payment, but the following are lost:

• Carry-forward of losses under most heads is disallowed. Business loss, capital loss (long-term and short-term), and speculative loss cannot be carried forward if the original return is filed late. Only the loss from house property under Section 71B and unabsorbed depreciation can be carried forward in a belated return.
• Choice between old and new tax regime is locked. You lose the right to switch regimes for that year.
• Deductions tied to filing on time under Section 80AC (80-IA, 80-IAB, 80-IB, 80-IC and other Part C deductions of Chapter VI-A) are disallowed.

If you miss the belated return cutoff of December 31, 2026, the only way to file the return for AY 2026-27 is through an updated return (ITR-U).

For the full mechanics of what you lose by filing late, see What Happens If You Miss ITR Filing Deadline in India.

Revised Return: Section 139(5)

If you discover an error after filing your original or belated return, you can file a revised return under Section 139(5) any time up to March 31, 2027, or before the assessment is completed if earlier. The Finance Act 2026 extended this from December 31; a revision after December 31, 2026 attracts a Section 234I fee of Rs 1,000 (total income up to Rs 5 lakh) or Rs 5,000. The revised return supersedes the original.

A revised return cannot fix a return that was treated as invalid for non-verification. If your original return was not e-verified within the 30-day window, the original is treated as never filed and you must file fresh as a belated return.

Updated Return (ITR-U): The 48-Month Window

Section 139(8A) allows an updated return to be filed any time within 48 months from the end of the assessment year. For AY 2026-27, this means ITR-U can be filed up to March 31, 2031. The Finance Act 2025 expanded the earlier 24-month window to 48 months.

ITR-U comes with an additional tax liability over and above the regular tax and interest:

• 25% additional tax if filed within 12 months from the end of the AY (by March 31, 2028 for AY 2026-27, which ends on March 31, 2027).
• 50% additional tax if filed in months 13 to 24 (by March 31, 2029).
• 60% additional tax if filed in months 25 to 36 (by March 31, 2030).
• 70% additional tax if filed in months 37 to 48 (by March 31, 2031).

ITR-U is for paying additional tax, not for claiming a refund or reducing tax liability. You cannot file ITR-U if it would reduce the tax already paid or generate a refund.

For the full ITR-U mechanics, see the ITR-U updated return guide.

E-Verification: 30 Days from Submission

Filing is not enough. You must e-verify the return within 30 days of submission. The e-verification options are Aadhaar OTP, net banking, EVC through a bank account, demat account, ATM, or DSC (digital signature).

If you verify after 30 days, the date of verification is treated as the date of filing, so a return submitted on time can become a belated return with the Section 234F fee. If you never verify, the return is treated as never filed.

The most common reason for an unverified return is a missing or stale Aadhaar-PAN linkage. Confirm the linkage on the income tax portal before you start.

Comparison Table: AY 2026-27 ITR Deadlines at a Glance

What to Do If You Are Approaching the Deadline

The portal's peak load is in the last 72 hours before each deadline. To avoid last-minute portal congestion:

1. Pull source documents now. Form 16 from your employer, Form 16A from banks and others, AIS, TIS, and Form 26AS from incometax.gov.in/iec/foportal/.
2. Reconcile AIS line by line. A return that contradicts AIS triggers a Section 143(1) intimation and slows refund processing.
3. Decide your tax regime. Run both regimes through the in-portal calculator. The new regime is the default and is usually better for filers without large 80C, HRA, or home loan interest claims.
4. File Form 10E first if you received salary arrears or a back-dated increment. Section 89(1) relief without prior Form 10E is disallowed during processing.
5. Submit and e-verify the same day. Do not leave e-verification for later. The 30-day window is forgiving but the deadline is not.

Tax Garden's tax compliance services handle ITR filing for salaried employees, small businesses, and partnerships with the deadline tracked by form, AIS reconciliation done before the form is locked, and e-verification confirmed on the same day. For the broader filing framework, see the overview of all 7 ITR forms, the ITR 2 guide, and the common ITR filing mistakes guide.

Frequently Asked Questions

Was the ITR due date for AY 2026-27 extended beyond 31 July 2026?

No. The 31 July 2026 due date for ITR 1 and ITR 2 and the 31 August 2026 due date for non-audit ITR 3 and ITR 4 were not extended. Extensions seen in news around September applied to earlier assessment years. If you missed them, file a belated return by 31 December 2026.

What is the last date to revise an AY 2026-27 return?

A revised return under Section 139(5) for AY 2026-27 can be filed up to 31 March 2027, provided the assessment is not completed. If you revise after 31 December 2026, a fee under Section 234I applies: Rs 1,000 if total income is up to Rs 5 lakh and Rs 5,000 otherwise.

Is the Rs 5,000 late fee charged even if I have no tax to pay?

Section 234F applies to anyone required to file who files after the due date, so it can apply even when all tax was covered by TDS. It is Rs 5,000, or Rs 1,000 if total income is up to Rs 5 lakh. No fee is payable if your total income is below the basic exemption limit and filing was not mandatory.

If I missed 31 December 2026, can I still file my AY 2026-27 return?

Only as an updated return (ITR-U) under Section 139(8A), which is open for 48 months from the end of the assessment year, up to 31 March 2031. It carries additional tax of 25% to 70% of tax and interest depending on when you file, and it cannot be used to claim a refund or declare a loss.

How is Section 234A interest counted if I file just a few days late?

Section 234A charges 1% simple interest per month, and any part of a month counts as a full month. For an ITR 1 or ITR 2 due on 31 July 2026, filing on 5 August 2026 still attracts one month of interest on the unpaid self-assessment tax, in addition to the Section 234F late fee.

Sources

This guide is verified against the Income Tax Act provisions as amended by the Finance Act 2026, Sections 139(1), 139(4), 139(5), 139(8A), 234A, 234F, 44AB, and 92E, the CBDT notification of ITR forms for AY 2026-27 (March 30, 2026), and the official deadline schedule on incometax.gov.in/iec/foportal/. Cross-checked against ClearTax, BajajFinserv, Tax2win, and IndiaFilings coverage as of May 2026. Always confirm current due dates against the official CBDT notification on incometax.gov.in/iec/foportal/ before filing, especially for cases involving tax audit or transfer pricing where Form 3CD or Form 3CEB is mandatory.