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

20 Jun 26 Add/amend particulars (other than GSTIN) in GSTR-1 of May. It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B.

20 Jun 26 Summary Return cum Payment of Tax for May by Monthly filers. (other than QRMP).

25 Jun 26 Deposit of GST of May under QRMP scheme.

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

29 Jun 26 Return of Statutory Compliances within 90 days from the close of the first financial year after its incorporation and where applicable,the second financial year.

30 Jun 26 Annual Return of Deposits by Companies other than NBFCs for FY 25-26.

30 Jun 26 "Director’s Disclosure of Interest and Non-disqualification by Companies. Discloses Director’s interest in the Companies, Firms, Body Corporates and Association of Individuals. "

30 Jun 26 "Yearly Disclosure of Non- Disqualification by Directors of all companies. Discloses Director’s interest only in Companies. "

30 Jun 26 Holding of Board Meeting by Companies for Q1 .

30 Jun 26 Online annual updation of IEC details . If no changes, confirm same online. Else IEC will be deactivated.

30 Jun 26 Summary of Outward & Inward supplies for FY 25-26 by Composition taxpayer.

30 Jun 26 Quarterly return of non-deduction at source by banks from interest on time deposit for January-March quarter.

30 Jun 26 Deposit of TDS u/s 194-IA on payment made for purchase of property in May.

30 Jun 26 Deposit of TDS u/s 194-IB @ 5% on total payment of Rent more than 50,000 pm by individual or HUF (not liable to tax audit) during FY 25-26, where lease has terminated in May. (Else TDS is to be deposited on annual basis by 30 April of next year.)

30 Jun 26 Deposit of TDS on certain payments made by individual/HUF u/s 194M for May.

30 Jun 26 Deposit of TDS on Virtual Digital Assets u/s 194S for May.

30 Jun 26 Deposit of TDS on Virtual Digital Assets u/s 194S for May.

30 Jun 26 Annual Return of Securities Transaction Tax by Listed Cos/Mutual Funds for FY 2025-26 .