| 07/12/2023 | Income Tax | Challan No. ITNS-281 | "Payment of TDS/TCS of November. In case of government offices where TDS/TCS is paid by book entry, same shall be paid on the same day on which tax is deducted or collected. " |
| 07/12/2023 | FEMA | ECB-2 | Return of External Commercial Borrowings for November. |
| 10/12/2023 | Goods and Services Tax | GSTR-7 | Monthly Return by Tax Deductors for November. |
| 10/12/2023 | Goods and Services Tax | GSTR-8 | Monthly Return by e-commerce operators for November. |
| 11/12/2023 | Goods and Services Tax | GSTR-1 | "Monthly Return of Outward Supplies for November. Note : Taxpayer having difference in ITC in GSTR-2B & GSTR-3B of earlier months, will not be able to file GSTR-1/IFF if he does not file response in DRC-01C Part B." |
| 13/12/2023 | Goods and Services Tax | IFF | Optional Upload of B2B invoices, Dr/Cr notes for November under QRMP scheme. Note : Taxpayer having difference in ITC in GSTR-2B & GSTR-3B of earlier months, will not be able to file GSTR-1/IFF if he does not file response in DRC-01C Part B. |
| 13/12/2023 | Goods and Services Tax | GSTR-5 | Monthly Return by Non-resident taxable person for November. |
| 13/12/2023 | Goods and Services Tax | GSTR-6 | Monthly Return of Input Service Distributor for November. |
| 15/12/2023 | Income Tax | Form 16B | Issue of TDS Certificate u/s 194-IA for TDS deducted on Purchase of Property in October. |
| 15/12/2023 | Income Tax | Form 16D | Issue of TDS Certificate for tax deducted u/s 194M on certain payments by individual/HUF in October. |
| 15/12/2023 | Income Tax | Form 16E | Issue of TDS Certificate for tax deducted u/s 194S on Virtual Digital Assets in October. |
| 15/12/2023 | Income Tax | Challan No.280 | Deposit of Third Instalment of Advance Tax (45%) by all assesses (other than 44AD & 44ADAD cases). |
| 15/12/2023 | Income Tax | Form 24G | Details of Deposit of TDS/TCS of November by book entry by an office of the Government. |
| 15/12/2023 | Provident Fund | Electronic Challan cum Return (ECR) | E-Payment of PF for November. |
| 15/12/2023 | ESI | ESI Challan | Payment of ESI for November |
| 20/12/2023 | Goods and Services Tax | GSTR-5A | Monthly Return by persons outside India providing online information and data base access or retrieval services, for November. Also to be filed by every registered person providing online money gaming from a place outside India to a person in India. |
| 20/12/2023 | Goods and Services Tax | GSTR-3B | Summary Return cum Payment of Tax for November by Monthly filers. (other than QRMP). |
| 25/12/2023 | Goods and Services Tax | PMT-06 | Deposit of GST under QRMP scheme for November . |
| 28/12/2023 | Goods and Services Tax | GSTR-11 | Return for November by persons with Unique Identification Number (UIN) like embassies etc to get refund under GST for goods and services purchased by them. |
| 30/12/2023 | Income Tax | Form 26QB | Deposit of TDS u/s 194-IA on payment made for purchase of property in November. |
| 30/12/2023 | Income Tax | Form 26QD | Deposit of TDS on certain payments made by individual/HUF u/s 194M for November. |
| 30/12/2023 | Income Tax | Form 26QE | Deposit of TDS on Virtual Digital Assets u/s 194S for November. |
| 31/12/2023 | Income Tax | ITR 1 to 5 & 7 | Filing of Belated/ Revised Income Tax returns for AY 23-24 for all assessees if assessement not completed. |
| 31/12/2023 | Goods and Services Tax | GSTR-9 | GST Annual Return for 22-23. Mandatory if Turnover > 2 cr. |
| 31/12/2023 | Income Tax | GSTR-9 C | GST Audit Report for 22-23. Mandatory if Turnover > 5 cr. |
| 31/12/2023 | RBI Act | - | RBI Annual Performance Report by All Companies having investment outside India. |
| 31/12/2023 | Companies Act | - | Quarter 3 – Board Meeting of All Companies. |
| 31/12/2023 | SEBI Act | - | Updation of Nomination details or express opting out in Demat/Trading/Mutual fund accounts to avoid deactivation. |
| 31/12/2023 | FEMA | ODI Part II | Any Indian individual or entity undertaking Overseas Direct Investment to file an Annual Performance Report (APR) with respect to its foreign entity. |