Income Tax Deadlines for Financial Year 2026-27: A Comprehensive Month-Wise Guide
The Income Tax Department has officially announced the critical deadlines for the financial year 2026-27, providing taxpayers with a structured timeline to fulfill their obligations and avoid penalties. This detailed guide outlines the key month-wise dates for advance tax payments, Tax Deducted at Source (TDS) compliances, and income tax return filings, ensuring individuals and businesses can plan their finances effectively.
Advance Tax Payment Schedule for FY 2026-27
Advance tax is a crucial component of the Indian tax system, requiring taxpayers to pay their estimated tax liability in installments throughout the year. For FY 2026-27, the due dates are as follows:
- June 15, 2026: First installment – 15% of the total advance tax liability.
- September 15, 2026: Second installment – 45% of the total advance tax liability (cumulative).
- December 15, 2026: Third installment – 75% of the total advance tax liability (cumulative).
- March 15, 2027: Final installment – 100% of the total advance tax liability.
Taxpayers, including salaried individuals with significant income from other sources and businesses, must adhere to these dates to prevent interest charges under Sections 234B and 234C of the Income Tax Act.
Tax Deducted at Source (TDS) Compliance Deadlines
TDS is a mechanism to collect tax at the source of income. For FY 2026-27, the due dates for depositing TDS and filing returns are:
- Monthly TDS Payment: By the 7th of the following month for most deductors. For example, TDS for June 2026 must be paid by July 7, 2026.
- Quarterly TDS Returns: Due on the last day of the month following the quarter. Key dates include:
- Q1 (April-June 2026): July 31, 2026
- Q2 (July-September 2026): October 31, 2026
- Q3 (October-December 2026): January 31, 2027
- Q4 (January-March 2027): May 31, 2027
Failure to comply can result in penalties and disallowance of expenses for businesses.
Income Tax Return Filing Deadlines
The due dates for filing income tax returns for FY 2026-27 vary based on the taxpayer category:
- Individuals and HUFs (Not Requiring Audit): July 31, 2027. This applies to most salaried employees and small businesses.
- Businesses Requiring Audit: September 30, 2027. This includes companies, firms, and individuals with specified income levels.
- Revised Returns: Can be filed by December 31, 2027, if errors are discovered after the initial filing.
Filing returns on time is essential to avoid late fees under Section 234F and to ensure timely processing of refunds.
Additional Key Dates and Penalties
Beyond the primary deadlines, taxpayers should note:
- Interest on Late Payments: If advance tax or TDS is not paid on time, interest at 1% per month may be levied under relevant sections.
- Penalties for Non-Compliance: Late filing of returns can attract a fee of up to ₹5,000, and failure to deduct or deposit TDS may result in penalties equal to the tax amount.
- Planning Tips: Experts recommend maintaining accurate records, using online portals for payments, and consulting tax advisors to navigate complex scenarios.
By adhering to these deadlines, taxpayers can ensure compliance, minimize financial burdens, and contribute effectively to the nation's revenue system.



