October 2021 Due Dates Compliance Calendar
October 2021 Due Dates for GST, Income Tax and other compliances are mentioned in the tables below:
| Due Date | Form/Return | Description |
| 10-Oct-21 | GSTR-7 | Summary of Tax Deduction at Source and deposited for the month of Sep-21 |
| 10-Oct-21 | GSTR-8 | Summary of Tax collected at source and to be deposited for the month of Sep 21 |
| 11-Oct-21 | GSTR 1
| For the month of Sep 2021 for taxpayers filing monthly returns or those whose turnover is more than Rs. 5 crores |
| 13-Oct-21 | GSTR-1 | GSTR-1 (QRMP Scheme) for the month of (Jul to Sep) |
| 13-Oct-21 | GSTR 6
| For the month of Sep 2021 to be furnished by an Input Service Distributor. |
| 18-Oct-21 | CMP-08 | For the month of (July to Sep) for taxpayers filling composition scheme. |
| 20-Oct-21 | GSTR-3B | For the month of Sep 21 for the taxpayers filing monthly returns |
| 20-Oct-21 | GSTR 5 | Return for Non Resident Taxable Person for the month of Sep 21 |
| 20-Oct-21 | GSTR 5A | Return for an OIDIAR Service Provider for the month of Sep 21 |
| 22-Oct-21 | GSTR-3B (Jul21-Sep21) | For the period Jul-For the month of (July to Sep) for Group-A state. |
| 24-Oct-21 | GSTR-3B (Jul21-Sep21) | For the period Jul-For the month of (July to Sep) for Group-B state. |
| Due Date | Purpose
| Description |
| 07-Oct-21 | TDS deposit | Deposit of TDS for the month of September 21 |
| 15-Oct-21 | TCS Return | For the Return (Jul 21 to Sep 21) |
| 15-Oct-21 | PF | E-Payment of Provident Fund for the month of Sep 21 |
| 15-Oct-21 | ESIC | For the payment of ESIC Challan for the month of Sep 21 |
| 30-Oct-21 | Form-8 LLP | Due date of filing Form-8 for LLP for FY-2020-21 |
| 31-Oct-21 | TDS Return | For the Return (Jul 21 to Sep21 )
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