Important Income Tax due dates for August 2025 include the deposit of TDS/TCS and uploading of Form 27C by 7 August. TDS certificates under Sections 194-IA, 194-IB, 194M, and 194S for June 2025 must be issued by 14 August. By 15 August, Form 24G, Form 3BB, and quarterly TDS certificates are due. Challan-cum-statements for TDS under Sections 194-IA, 194-IB, 194M, and 194S for July 2025 must be filed by 30 August. Lastly, Form 9A and Form 10, related to income application and accumulation under Sections 11(1) and 10(21), are due by 31 August 2025.
7 August 2025 –
​Due date for deposit of Tax deducted/collected for the month of July, 2025. However, all sum deducted/collected by an office of the government shall be paid to the credit of the Central Government on the same day where tax is paid without production of an
7 August 2025 – ​Uploading of declarations received in Form 27C from the buyer in the month of July, 2025​
14 August 2025 – Due date for issue of TDS Certificate for tax deducted under Section 194-IA in the month of June, 2025
14 August 2025 – ​​Due date for issue of TDS Certificate for tax deducted under section 194-IB in the month of June, 2025
14 August 2025 – ​​​Due date for issue of TDS Certificate for tax deducted under section 194M in the month of June, 2025
14 August 2025 – ​​​Due date for issue of TDS Certificate for tax deducted under section 194S (by specified person) in the month of June, 2025
15 August 2025 – ​Due date for furnishing of Form 24G by an office of the Government where TDS/TCS for the month of July, 2025 has been paid without the production of a challan
15 August 2025 – ​Due date for furnishing statement in Form no. 3BB by a stock exchange in respect of transactions in which client codes been modified after registering in the system for the month of July, 2025
15 August 2025 – ​Quarterly TDS certificate (in respect of tax deducted for payments other than salary) for the quarter ending June 30, 2025
15 August 2025 – ​Due date for furnishing statement by a recognised association in respect of transactions in which client codes been modified after registering in the system for the month of July, 2025
30 August 2025 – ​Due date for furnishing of challan-cum-statement in respect of tax deducted under Section 194-IA​ for the month of​ July, 2025
30 August 2025 – ​​Due date for furnishing of challan-cum-statement in respect of tax deducted under section 194M in the month of July, 2025
30 August 2025 – ​​Due date for furnishing of challan-cum-statement in respect of tax deducted under section 194-IB in the month of July, 2025
30 August 2025 – ​​​Due date for furnishing of challan-cum-statement in respect of tax deducted under section 194S (by specified person) in the month of July, 2025
31 August 2025 – ​​Application in Form 9A for exercising the option available under Explanation to Section 11(1) to apply income of previous year in the next year or in future (if the assessee is required to submit return of income on October 31, 2025).
31 August 2025 – ​​Statement in Form no. 10 to be furnished to accumulate income for future application under Section 10(21) or Section 11(1) (if the assessee is required to submit return of income on October 31, 2025)
