13 Aug 26 Monthly Return of Input Service Distributor for July.

13 Aug 26 Optional Upload of B2B invoices, Dr/Cr notes under QRMP scheme for July.

13 Aug 26 Monthly Return by Non-resident taxable person for July.

14 Aug 26 Issue of TDS Certificate for TDS deducted on Purchase of Property in June.

14 Aug 26 Issue of TDS Certificate for tax deducted on rent above 50,000 pm by certain individuals/HUF under Section 194-IB where lease has terminated in June.

14 Aug 26 Issue of TDS Certificate for tax deducted on certain payments by individual/HUF in June.

14 Aug 26 Issue of TDS Certificate for tax deducted on Virtual Digital Assets in June.

15 Aug 26 Issue of TDS certificates for Q1 of TY 2026-27.

15 Aug 26 Issue of TCS certificates for Q1 of TY 2026-27.

15 Aug 26 Details of Deposit of TDS/TCS of July by book entry by an office of the Government.

15 Aug 26 E-Payment of PF for July.

15 Aug 26 Payment of ESI for July

20 Aug 26 To add/amend particulars (other than GSTIN) in GSTR-1 of July. It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B. If incorrect values are auto-populated in Table 3.2 of GSTR-3B, correct the values by making amendments through

20 Aug 26 Summary Return cum Payment of Tax for July by Monthly filers. (other than QRMP). Auto-populated values in Table 3.2 of GSTR-3B for inter-state supplies made to unregistered persons, composition taxpayers, and UIN holders are now non-editable.

20 Aug 26 Monthly Return by persons outside India providing online information and data base access or retrieval services, for July.

25 Aug 26 Deposit of GST under QRMP scheme for July .

28 Aug 26 Return for July by persons with Unique Identification Number (UIN) like embassies etc to get refund under GST for goods and services purchased by them.

30 Aug 26 Deposit of TDS on payment made for purchase of property in July.

30 Aug 26 Deposit of TDS @ 5% on total payment of Rent more than 50,000 pm by individual or HUF (not liable to tax audit) during FY 24-25, where lease has terminated in July. (Else TDS is to be deposited on annual basis by 30 April of next year.)

30 Aug 26 Deposit of TDS on certain payments made by individual/HUF for July.

30 Aug 26 Deposit of TDS on Virtual Digital Assets for July.

31 Aug 26 Application for exercising option under Explanation to section 11(1) to apply income of previous year in the next year or in future, if ITR due date is October 31.

31 Aug 26 Statement in to be furnished to accumulate income for future application u/s 10(21) or 11(1), if ITR due date is October 31.

31 Aug 26 Regularise pending MCA annual filings under CCFS 2026 Scheme without penalty but at concessional fees. Parallel route for inactive or defunct companies to opt for dormancy or strike-off.

31 Aug 26 Exercise option to opt for old regime for AY 26-27 if due date is 31 Aug.