Below is the due date compliance calendar for various compliance to be made in the month of December 2019 by companies, firms and individuals business.
| Due Date | Compliance | Description |
| 07.12.19 | Deposit TDS/TDC | Deposit TDS/TCS deducted during the month of November 2019. |
| 07.12.19 | Deposit Equalization Levy | Deposit Equalization Levy for the month of November 2019, if payment to non resident serevice provider exceed Rs 100000 during the year. |
| 11.12.19 | File GSTR-1 | File GSTR-1 for the month of November 2019, if aggregate turnover exceed 1.5 crore. |
| 15.12.19 | Deposit Advance Tax | Deposit 75% advance tax less advance tax already paid for the FY 2019-20. |
| 15.12.19 | Deposit ESI/EPF | Deposit ESI/EPF deducted during the month of November 2019. |
| 20.12.19 | File GSTR-3B | File GSTR-3B for the month of November 2019. |
| 31.12.19 | File MGT-7 | File Annual Return in form MGT-7 for the FY 2018-19. To be filed by all corporates. |
| 31.12.19 | File GSTR-9, GSTR-9A, GSTR-9B | File GST Annual Return in form GSTR-9, GSTR-9A, GSTR-9B (as applicable) for the FY 2017-18. |
| 31.12.19 | File GSTR-9C | File GST Audit Report in form GSTR-9C for the FY 2017-18. To be filed if aggragete turnover exceed Rs 2 crore. |