2021 Tax Calendar

← View 2022 Tax Calendar

January
15 4th quarter estimate due
15 Federal and State payroll tax deposits due for monthly depositors
15 C and S Corporations due for year ended October 31
20 Form ST-1 due (sales tax)
31 Form UI-3/40 due (payroll)
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February
1 1099s due to recipients
1 W-2 due to recipients
10 Form 940 due (payroll)
10 Forms 941 and IL-941 due (payroll)
16 Federal and State payroll tax deposits due for monthly depositors
16 C and S Corporations due for year ended November 30
20 Form ST-1 due (sales tax)
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March
1 1099s due to IRS
1 W-2 and W-3 due to IRS
15 Federal and State payroll tax deposits due for monthly depositors
15 S Corporations due for year ended December 31
20 Form ST-1 due (sales tax)
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April
15 TAX DAY - IRS Deadline to file 2020 Income Tax Returns (Filing and payment due dates extended to 5/17)
16 SEP IRA Contributions due for prior year (extended to 5/17)
15 Traditional IRA Contributions due for prior year (extended to 5/17)
15 Federal and State payroll tax deposits due for monthly depositors
15 C and S Corporations due for year ended January 31
15 1st quarter estimate due
15 Partnerships and individual returns due
15 C Corporations due for year ended December 31
20 Form ST-1 due (sales tax)
30 Form UI-3/40 due (payroll)
30 Form 941 and IL-941 due (payroll)
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May
17 EXTENDED TAX DAY - IRS Deadline to file 2020 Income Tax Returns
17 EXTENDED SEP IRA CONTRIBUTION DUE DATE
17 EXTENDED TRADITIONAL IRA CONTRIBUTION DUE DATE
17 Federal and State payroll tax deposits due for monthly depositors
17 C and S Corporations due for year ended February 28
20 Form ST-1 due (sales tax)
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June
15 Federal and State payroll tax deposits due for monthly depositors
15 C and S Corporations due for year ended March 31
15 2nd quarter estimate due (this deadline has NOT been extended yet)
20 Form ST-1 due (sales tax)
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July
15 1st quarter estimate due
15 Federal and State payroll tax deposits due for monthly depositors
15 C and S Corporations due for year ended April 30
20 Form ST-1 due (sales tax)
31 Form UI-3/40 due (payroll)
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August
2 Forms 941 and IL-941 due (payroll)
16 Federal and State payroll tax deposits due for monthly depositors
16 C and S Corporations due for year ended May 31
20 Form ST-1 due (sales tax)
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September
15 Federal and State payroll tax deposits due for monthly depositors
15 C and S Corporations due for year ended June 30
15 3rd quarter estimate due
15 Extended due date for C and S corporations
20 Form ST-1 due (sales tax)
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October
15 SEP IRA contribution due (if tax return extended)
15 Federal and State payroll tax deposits due for monthly depositors
15 C and S Corporations due for year ended July 31
15 Extended due date for partnerships and individuals
20 Form ST-1 due (sales tax)
31 Form UI-3/40 due (payroll)
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November
1 Forms 941 and IL-941 due (payroll)
15 Federal and State payroll tax deposits due for monthly depositors
15 C and S Corporations due for year ended August 30
20 Form ST-1 due (sales tax)
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December
15 Federal and State payroll tax deposits due for monthly depositors
15 C and S Corporations due for year ended September 30
20 Form ST-1 due (sales tax)

 

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