Compliance Calendar

Return filed by Input Service Distributors for October 2026 - (GSTR-6).

Return filed by Non-Resident Taxable Person for October 2026 - (GSTR-5).

Due date for issue of Certificate under section 395(4) for tax deducted at source in the month of September, 2026 in Form 132.

Certificate under section 395(4) for tax deducted at source other than on salary paid to an employee under section 392 or pension or interest income of specified senior citizen under section 393(1) for the quarter ending September 30, 2026 in Form 131.

Certificate under section 395(4) for tax collected at source for the quarter ending September 30, 2026 in Form 133.

Due date for furnishing of Form 137 by an office of the Government for TDS/TCS Book Adjustment Statement for the month of September, 2026.

Statement in Form 1 (Income-tax Rules, 2026) by the stock exchange for the month of October, 2026, in respect of transactions in which client codes have been modified after registering in the system.

PF payment for October 2026 - (Online).

Payment of ESI Contribution October 2026 - (Online).

Payment of GST and Monthly Summary Return (Turnover more than Rs. 5 Crore in Previous year) for August 2026 for registered taxpayer or who has not opted for Quarterly Return Monthly Payment (QRMP) Scheme - (GSTR-3B).

Return filed by OIDAR service provider for the month of October 2026 - (GSTR-5A).

Due date for furnishing of Challan-cum-statement of deduction of tax under section 393(1) [Table Sl. No. 2(i), 3(i), 6(ii) and 8(vi)] in the month of October , 2026 in Form 141.

The Telangana Tax On Professions, Trades, Callings And Employments Act, 1987 Monthly PT Remittance and Filing of Return in Form V -TELANGANA

The Code on Social Security, 2020 - CENTRAL

The Code on Social Security, 2020 -CENTRAL

The Code on Social Security, 2020 Monthly Remittance of Provident Fund (PF) Contributions -CENTRAL

The Karnataka Tax On Professions, Trades, Callings And Employments Act,1976 .Monthly PT Remittance and Filing of Returns in Form 9 and Form 5A -Karnataka

The West Bengal State Tax On Professions, Trades, Callings And Employments Act, 1979 Monthly Payment of Professional Tax (PT) - WEST BENGAL

The Maharashtra State Tax On Professions, Trade, Callings And Employments Act, 1975 - MAHARASHTRA

The Maharashtra State Tax On Professions, Trade, Callings And Employments Act, 197 Monthly PT Remittance under the One-Time Payment of Tax Scheme, 2019- MAHARASHTRA