Form W-2 Deadline: January 31, 2023
| Return Type | Filing Deadline | Extension Deadline |
| Individual (Form 1040) | April 18, 2023 | October 16, 2023 |
| Estates & Trusts (Form 1041) | April 18, 2023 | September 30, 2023 |
| Partnerships (Form 1065) | March 15, 2023 | September 15, 2023 |
| Corporations (Form 1120) | April 18, 2023 | October 16, 2023 |
| S Corporations (Form 1120-S) | March 15, 2023 | September 15, 2023 |
| Exempt Organizations (Form 990) | May 15, 2023 | November 15, 2023 |