Next 90 Days Due Dates

Jan  Feb  Mar  Apr  May  June  July  Aug  Sep  Oct  Nov  Dec  All 
20 Sep 26
To add/amend particulars (other than GSTIN) in GSTR-1 of Aug. It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B.
20 Sep 26
Summary Return cum Payment of Tax for August by Monthly filers. (other than QRMP).
20 Sep 26
Monthly Return by persons outside India providing online information and data base access or retrieval services, for August.
25 Sep 26
Deposit of GST under QRMP scheme for August .
27 Sep 26
Filing of Financial Statements for FY 2025-26 by OPC Companies.
27 Sep 26
Submission of Cost Audit Report by Cost Auditor to the Board of Directors for FY 2025-26.
28 Sep 26
Return for August by persons with Unique Identification Number (UIN) like embassies etc to get refund under GST for goods and services purchased by them.
30 Sep 26
Transfer of unspent CSR amount to the CSR fund by All Companies whose CSR Expenditure is unspent as on 31st March and such amount is not marked for any ongoing project.
30 Sep 26
Quarter 2 – Board Meeting of All Companies
30 Sep 26
Annual General Meeting of All Companies.
30 Sep 26
KYC of All Directors (individuals) who hold DIN on 31st March, 2026.
30 Sep 26
Annual accounts along with the list of all principal places of business in India established by a foreign company (Branch / Liaison /Project Office)
30 Sep 26
Deposit of TDS on payment made u/s 393(1) [Table Sl. No. 2(i), 3(i), 6(ii) & 8(vi)] for purchase of property, payment of Rent more than 50,000 pm by individual or HUF (not liable to tax audit) where lease has terminated, certain other payments made by
30 Sep 26
Filing of Tax Audit Report where due date of ITR is 31 Oct.
30 Sep 26
Filing of MAT/AMT Audit Report etc. where due date of ITR is 31 Oct.
30 Sep 26
Filing of Audit Report u/s 80JJAA(2) for additional employment where due date of ITR is 31 Oct.
30 Sep 26
Filing of other Audit Reports , where due date of ITR is 31 Oct.
30 Sep 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 Nov 30.?
30 Sep 26
Filing of Statement to accumulate income for future application u/s 10(21) or 11(1), if ITR due date is Nov 30.?
30 Sep 26
Filing of Audit report by a fund or trust or institution or any university or other educational institution or any hospital or other medical institution?
30 Sep 26
Payment of membership fee for 2025-26 by ICAI Members.