2024 Tax Season Deadlines
January 15, 2024 (Monday)
2023 4th Quarter Estimated Tax Payment (Federal)
2023 December Payroll Tax Deposit (Federal)
January 22, 2024 (Monday)
2023 Annual Form ST-1 (Illinois Sales Tax Return)
January 31, 2024 (Wednesday)
2023 Form 1099-NEC
2023 Form W-2
2023 Forms 941/940
2023 Form 1099-K
2023 Form 1099-MISC
2023 Form 1099-INT
2023 Annual Form 940 (Federal)
February 15, 2024
2024 January Payroll Tax Deposit (Federal)
March 15, 2024 (Friday)
2023 Form 1120-S (S-Corporation Tax Return)
2023 Form 1065 (Partnership Tax Return)
2024 February Payroll Tax Deposit (Federal)
April 15, 2024 (Monday)
2024 1st Quarter Estimated Tax Payment (Federal)
2023 Form 1040 (Individual Tax Return)
2023 Form 1041 (Fiduciary Tax Return)
2023 Form 1120 (C-Corporation Tax Return)
2024 March Payroll Tax Deposit (Federal)
April 22, 2024 (Monday)
2024 1st Quarter Form ST-1 (Illinois Sales Tax Return)
April 30, 2024
2024 1st Quarter Form 941 (Federal)
May 15, 2024
2024 April Payroll Tax Deposit (Federal)
June 17, 2024 (Monday)
2024 2nd Quarter Estimated Tax Payment (Federal)
2024 May Payroll Tax Deposit (Federal)
July 22, 2024 (Monday)
2024 2nd Quarter Form ST-1 (Illinois Sales Tax Return)
July 31, 2024
2024 2nd Quarter Form 941 (Federal)
September 16, 2024 (Monday)
2024 3rd Quarter Estimated Tax Payment (Federal)
2023 Extended Form 1120-S (S-Corporation Tax Return)
2023 Extended Form 1065 (Partnership Tax Return)
September 30, 2024 (Monday)
2024 Extended Form 1041 (Fiduciary Tax Return)
October 15, 2024 (Monday)
2023 Extended Form 1040 (Individual Tax Return)
2023 Extended Form 1120 (C-Corporation Tax Return)
October 21, 2024 (Monday)
2024 3rd Quarter Form ST-1 (Illinois Sales Tax Return)
October 31, 2024
2024 3rd Quarter Form 940 (Federal)
2024 3rd Quarter Form 941 (Federal)
January 15, 2025 (Wednesday)
2024 4th Quarter Estimated Tax Payment (Federal)
January 31, 2025
2024 Annual Form 940 (Federal)