Tax Due Dates
Important 2023 tax dates
The IRS has set the following deadlines for the upcoming tax season:
January 23, 2023 | IRS begins accepting tax returns. |
January 17, 2023 | Fourth quarter estimated payments due for tax year 2022 |
January 31, 2023 | Employers must mail W-2 forms |
April 18, 2023 | Tax Day/federal returns and payments due, final day for 401k contributions, final day to file an extension |
October 16, 2023 | Late filing deadline |
Tax deadlines for independent contractors, consultants, and the self-employed .
Below, you’ll find more important tax dates for 2023.
Small Business | Filing Deadline | Extension Deadline |
Sole Proprietors | April 18, 2023 | Oct. 16, 2023 |
Partnerships | March 15, 2023 | Sept. 15, 2023 |
Multi-member LLCs | March 15, 2023 | Sept. 15, 2023 |
S-Corps | March 15, 2023 | Sept. 15, 2023 |
C-Corps | April 17, 2023 | Oct. 16, 2023 |
The above doesn't cover every tax deadline, merely the most important ones broadly relevant to these groups of taxpayers. For a comprehensive view of all the important tax deadlines applicable to each taxpayer, please visit IRS Publication 509.