ITR Filing Deadline AY 2026-27: Income tax return filing season begins, know the last dates of ITR-1 to ITR-4 and complete rules of late fees.

By Samira Vishwas On Jun 19, 2026

The new season of Income Tax Return (ITR) filing has officially started for crores of employees, businessmen and professional taxpayers of the country. Currently, taxpayers are constantly searching for the deadlines to file their returns for the assessment year (AY 2026-27).

Since Assessment Year (AY) 2026-27 is directly related to your total annual income made in the previous financial year (FY 2025-26), it is very important for every honest taxpayer to know what is the last date for filing returns as per his/her category. If you miss the deadline, you may have to face strict rules, heavy fines (late fees) and legal notices from the Income Tax Department.

New timeline for ITR filing for AY 2026-27 (Deadline Chart)

The Income Tax Department has set the following different deadlines depending on the taxpayers’ business, audit needs and sources of income. this time A big relief to the non-audit business class Also given:

Category of taxpayer	Applicable ITR Form	Last date for filing return
Individual and HUF (Whose accounts are not required to be audited)	ITR-1 or ITR-2	31 July 2026
Business and Professional Taxpayers (Non-audit case – changed rule)	ITR-3 or ITR-4	31 August 2026
Corporates and Firms (Whose accounts are to be mandatorily audited)	Related Forms	31 October 2026
International/Domestic Transactions (within the scope of transfer pricing rules)	Related Forms	30 November 2026
Belated Return (To be paid late with late fees)	under the applicable form	31 December 2026
Revised Return (Last chance to correct an old mistake)	under the applicable form	31 March 2027

Big change: This year the Income Tax Department has made an important amendment. Non-audit business and professional taxpayers filing ITR-3 and ITR-4 forms are now required to file ITR-3 and ITR-4 forms instead of the old deadline of July 31. Till 31 August 2026 Additional grace (time) to file your return has been provided.

What if the deadline of July 31st or August 31st is missed?

Even if you are not able to file ITR by your due date, your right to file your return is not completely lost. you of the current year ‘Belated Return’ till 31 December 2026 Can file. However, if you file your return late, you will suffer the following four major financial losses:

Late Filing Fee: You will have to pay penalty under Income Tax Act.
Heavy interest on tax: If you have any old tax due, interest will be added on it on monthly basis under Section 234A.
Inability to carry forward losses: You will be deprived of the important facility of adjusting or carrying forward losses from business, capital gains or other sources to the next financial years.
Delay in Refund: Lately filed returns delay assessment, which can lead to a delay of months in getting your tax refund.

How much will be the penalty for late filing? (Section 234F Penalty Grid)

On filing belated return by 31st December after missing the prescribed deadline. Section 234F The calculation of late filing fee under IPC depends on your annual income:

On income above ₹5 lakh: If your total net taxable annual income is more than ₹5 lakh, you Flat late fee of ₹5,000 Have to give.
On income of ₹5 lakh or less: If your total annual income is ₹5 lakh or less, the penalty amount is limited to a maximum of Rs. Late fee of ₹1,000 There is provision for.

You will have to compulsorily pay this fee through online challan, even if your total tax liability is zero.

4 practical benefits of filing ITR on time

Filing ITR is not just a legal obligation, but it also strengthens your financial profile:

Instant Tax Refund: By filing ITR on time or in the initial weeks, your refund gets processed much faster and comes directly into your bank account.
Loan and Credit Card Approval: If you apply for a home loan, car loan, personal loan or any premium credit card in future, banks ask for your ITR for the last 2 to 3 years as the only authentic income document.
Visa and Immigration Process: While getting visa approval for US, UK, Canada or European countries, the embassy asks for copies of ITR to check your financial stability.
Protection from penalty and scrutiny: Timely filing reduces the risk of scrutiny notices, penalties or investigation by the automated systems of the Income Tax Department to almost zero.

Make sure to match these 5 things before submitting ITR

Before hitting the submit return button, check these five things to avoid any potential mistakes or notices:

Choosing the right form: Select the correct form (ITR-1 to ITR-4) as per your source of income (Salary, Business, Capital Gain, House Property).
Matching of AIS, TIS and Form 26AS: Our Annual Information Statement (AIS)Taxpayer Information Summary (TIS) and Form 26AS Completely match the TDS and financial transaction data recorded in your bank statement and salary slip.
Disclosure of all income sources: Apart from your regular salary or main business, do not forget to hide the interest received from bank savings account, FD interest, dividend or mutual fund gains.
Claiming valid deduction: Claim only those tax deductions (like 80C, 80D) for which authentic documents and investment receipts are safely available with you.
E-Verification: After submitting ITR form online within 30 days Do not forget to do its digital ‘e-verification’ through Aadhaar OTP or net banking, otherwise your filled ITR will be declared completely invalid.