What is the Income Tax Return ( ITR ) Filing Deadline? The Income Tax Return ( ITR ) filing deadline is the last date by which taxpayers must submit their income details and tax calculations to the Income Tax Department. For taxpayers who do not need to get their accounts audited, this deadline usually falls on 31st July every year. The Income Tax Department is again extending the ITR filing deadline from October 31 to December 10 for the AY 2025-26. The deadline to file tax audit reports has also been extended from October 31 to November 10. This change applies to corporates and certain types of taxpayers—specifically ... Deposit tax without penalty: The Central Board of Direct Taxes (CBDT) has extended the last date to file income tax return from July 31, 2025, to September 15, 2025, for the financial year 2024-25. In the past, CBDT has asked the taxpayers to deposit self-assessment tax by July 31, even though the ITR filing deadline has been extended.