2023 Tax Deadlines

 

Individual Deadlines:
January 17, 2023 4th Quarter 2022 estimated tax payment due.
April 3, 2023 Required minimum distribution due if you turned 72 in 2022.
April 18, 2023 Tax day
April 18, 2023 Deadline to File Form 4868 and request an extension. 
April 18, 2023 Deadline to make IRA and HSA contributions for 2022 tax year.
April 18, 2023 First quarter 2023 estimated tax payment due. 
June 15, 2023 Second quarter 2023 estimated tax payment due.
September 15, 2023 Third quarter 2023 estimated tax payment due.
October 16, 2023 Deadline to file your extended 2022 tax return.
December 31, 2023 Required minimum distributions must be taken for individuals age 73 or older by the end of 2023. 
January 15, 2024 Fourth quarter 2023 estimated tax payment due.

 

Business Tax Deadlines:
January 17, 2023 4th Quarter 2022 estimated tax payment due.
January 31, 2023 Employers send W-2 forms to employees.
January 31, 2023 Send 1099 forms.
March 1, 2023 Personal Property return due.
March 15, 2023 Taxes are due for business types (partnerships, multi-member LLCs, and S-Corporations). 
April 18, 2023 Taxes for C-Corporations are due.
April 18, 2023 First quarter 2023 estimated tax payment due. (Federal and Wisconsin).
June 15, 2023 Second quarter 2023 estimated tax payment due. (Federal and Wisconsin).
September 15, 2023 Deadline for extended partnership and S-corporation returns.
September 15, 2023 Third quarter 2023 estimated tax payment due. (Federal and Wisconsin) .
October 16, 2023 Deadline for extended C-corporation returns.
December 15, 2023 Fourth quarter 2023 estimated tax payment due for C-Corporations and S-Corporations.
January 15, 2024 Fourth quarter 2023 estimated tax payment due for Partnerships.

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WI and Fed Business Tax Deadlines for 2023