Complete Month-Wise ITR & TDS Compliance Calendar FY 2026-27

As FY 2026-27 begins in India, individuals and businesses should keep a close watch on key compliance deadlines to avoid penalties and last-minute hassles. This financial year includes several important tax due dates for taxpayers, businesses, and financial institutions alike.

This post provides a detailed month-by-month income tax compliance calendar for FY 2026-27. It highlights key deadlines for activities such as TDS deposits, advance tax payments, and income tax return filing, helping taxpayers stay organised and compliant.

April 2026

On April 30, several important deadlines apply to TDS (Tax Deducted at Source) and TCS (Tax Collected at Source) compliance. Non-government deductors must complete their TDS/TCS payments for March 2026 by this date. Government offices are also required to file Form 24G. In addition, entities receiving declarations under Forms 15G or 15H must ensure proper reporting. Pension funds and sovereign wealth funds are required to submit quarterly intimations, along with the necessary deposit and challan-cum-statement filings for March TDS obligations.

May 2026

May 7: TDS/TCS for April 2026 must be deposited, along with compliance related to buyer declarations for tax-exempt procurement under the new provisions.

May 15: Issuance of TDS certificates for specified transactions, including reporting by stock exchanges and recognised associations for client code modification disclosures, as well as compliance related to the filing of quarterly TCS statements.

May 30: Issuance of TCS certificates for the fourth quarter of Financial Year 2025-26, along with reporting of business transactions under Section 285B.

May 31: Key compliance requirements include annual reporting of financial transactions in Form 61A, PAN allotment-related reporting where applicable, submission of Form 61B by financial institutions, reporting of donations in Form 10BD, and filing of employee superannuation fund returns.

June 2026

June 7: Deposit of TDS/TCS for May 2026, along with compliance for buyer declaration filings related to May purchases.

June 15: Issuance of TDS certificates for salary and non-salary payments, along with the first instalment of advance tax for FY 2026-27. This date also includes the issuance of quarterly TDS certificates for Q4 of FY 2025-26 and the reporting of income distribution by investment funds.

June 30: Reporting by Alternative Investment Funds (AIFs) to unit holders, disclosure of securities transactions, and filing of TDS challan-cum-statements for May.

July 2026

For individual taxpayers not subject to tax audit, this is the deadline for filing income tax returns (ITR) for FY 2025-26, along with payment of self-assessment tax, where applicable.

September 2026

September 15: Second instalment of advance tax, bringing the cumulative payment to 45%.

October 2026

October 31: Due date for filing income tax returns (ITR) for taxpayers subject to audit.

November 2026

November 30: This also includes filing transfer pricing reports, where applicable, and paying self-assessment tax in relevant cases.

December 2026:

December 15: Third instalment of advance tax, bringing the cumulative payment to 75%.

December 31: Last date for filing belated or revised returns for Assessment Year 2026-27.

Read Also: How ITR Software Reviews Your Previously Filed Returns

January-February 2027

This time of year is essential for effective tax planning. It involves identifying and making eligible investments that align with relevant tax regulations. Additionally, it's important to compile and submit proof of these investments to your employer to facilitate timely adjustments to TDS (Tax Deducted at Source).

March 2027

On March 15, the final advance tax instalment is due, which will complete the total tax liability for the year.

March 31: Last date to make tax-saving for investments under the old tax regime for the final window for belated and revised filings for earlier assessment years, wherever applicable.

March 31: The last opportunity to make tax-saving investments under the old tax regime is approaching. This deadline also coincides with the final window for filing belated or revised returns for earlier assessment years, where applicable. Be sure to use this opportunity to maximise your tax savings.

Keeping track of deadlines throughout the year helps taxpayers stay compliant, avoid penalties, and plan their taxes more effectively.