Category: Personal and Business Accounting

2025 Tax Deadlines for Filing 2024 Business Returns

2025 Tax Deadlines for Filing 2024 Business Returns

Partnership Tax Deadlines Due Date
Original tax deadline for partnerships (Form 1065) March 17, 2025*
Extension tax deadline for partnerships (Form 1065) September 15, 2025
S Corporation Tax Deadlines Due Date
Original tax deadline for S Corporations (Form 1120-S) March 17, 2025
Extension tax deadline for S Corporations (Form 1120-S) September 15, 2025
C Corporation Tax Deadlines Due Date
Original tax deadline for C Corporations (Form 1120) April 15, 2025
Extension tax deadline for C Corporations (Form 1120) October 15, 2025
Sole Proprietor Tax Deadlines Due Date
Original tax deadline for sole proprietors and individuals (Form 1040) April 15, 2025
Extension tax deadline for sole proprietors and individuals (Form 1040) October 15, 2025
Nonprofit Tax Deadlines Due Date
Original tax deadline for exempt organizations (Form 990) May 15, 2025
Extension tax deadline for exempt organizations (Form 990) November 17, 2025

* March 15 is a Saturday, so the deadline will be the next business day, which is Monday, March17, 2025.

2024 Tax Deadlines for Filing 2023 Business Returns

2024 Tax Deadlines for Filing 2023 Business Returns

Partnership Tax Deadlines Due Date
Original tax deadline for partnerships (Form 1065) March 15, 2024
Extension tax deadline for partnerships (Form 1065) September 15, 2024
S Corporation Tax Deadlines Due Date
Original tax deadline for S Corporations (Form 1120-S) March 15, 2024
Extension tax deadline for S Corporations (Form 1120-S) September 15*, 2024
C Corporation Tax Deadlines Due Date
Original tax deadline for C Corporations (Form 1120) April 18, 2024
Extension tax deadline for C Corporations (Form 1120) October 15, 2024
Sole Proprietor Tax Deadlines Due Date
Original tax deadline for sole proprietors and individuals (Form 1040) April 18, 2024
Extension tax deadline for sole proprietors and individuals (Form 1040) October 15, 2024
Nonprofit Tax Deadlines Due Date
Original tax deadline for exempt organizations (Form 990) May 15, 2024
Extension tax deadline for exempt organizations (Form 990) November 15, 2024

* September 15 is a Sunday, so the deadline will be the next business day, which is Monday, September 16, 2024.

2023 Tax Deadlines for Filing 2022 Business Returns

2023 Tax Deadlines for Filing 2022 Business Returns

Partnership Tax Deadlines Due Date
Original tax deadline for partnerships (Form 1065) March 15, 2023
Extension tax deadline for partnerships (Form 1065) September 15, 2023
S Corporation Tax Deadlines Due Date
Original tax deadline for S Corporations (Form 1120-S) March 15, 2023
Extension tax deadline for S Corporations (Form 1120-S) September 15, 2023
C Corporation Tax Deadlines Due Date
Original tax deadline for C Corporations (Form 1120) April 18, 2023
Extension tax deadline for C Corporations (Form 1120) October 15, 2023
Sole Proprietor Tax Deadlines Due Date
Original tax deadline for sole proprietors and individuals (Form 1040) April 18, 2023
Extension tax deadline for sole proprietors and individuals (Form 1040) October 15, 2023
Nonprofit Tax Deadlines Due Date
Original tax deadline for exempt organizations (Form 990) May 15, 2023
Extension tax deadline for exempt organizations (Form 990) November 15, 2023

2022 Tax Deadlines for Filing 2021 Business Returns

2022 Tax Deadlines for Filing 2021 Business Returns

Partnership Tax Deadlines Due Date
Original tax deadline for partnerships (Form 1065) March 15, 2022
Extension tax deadline for partnerships (Form 1065) September 15, 2022
S Corporation Tax Deadlines Due Date
Original tax deadline for S Corporations (Form 1120-S) March 15, 2022
Extension tax deadline for S Corporations (Form 1120-S) September 15, 2022
C Corporation Tax Deadlines Due Date
Original tax deadline for C Corporations (Form 1120) April 18, 2022
Extension tax deadline for C Corporations (Form 1120) October 15, 2022
Sole Proprietor Tax Deadlines Due Date
Original tax deadline for sole proprietors and individuals (Form 1040) April 18, 2022
Extension tax deadline for sole proprietors and individuals (Form 1040) October 15, 2022
Nonprofit Tax Deadlines Due Date
Original tax deadline for exempt organizations (Form 990) May 16*, 2022
Extension tax deadline for exempt organizations (Form 990) November 15, 2022

* May 15 is a Sunday, so the deadline will be the next business day, which is Monday, May 16, 2022.

2021 Tax Deadlines for Filing 2020 Business Returns

2021 Tax Deadlines for Filing 2020 Business Returns

Partnership Tax Deadlines Due Date
Original tax deadline for partnerships (Form 1065) March 15, 2021
Extension tax deadline for partnerships (Form 1065) September 15, 2021
S Corporation Tax Deadlines Due Date
Original tax deadline for S Corporations (Form 1120-S) March 15, 2021
Extension tax deadline for S Corporations (Form 1120-S) September 15, 2021
C Corporation Tax Deadlines Due Date
Original tax deadline for C Corporations (Form 1120) April 15, 2021
Extension tax deadline for C Corporations (Form 1120) October 15, 2021
Sole Proprietor Tax Deadlines Due Date
Original tax deadline for sole proprietors and individuals (Form 1040) April 15, 2021
Extension tax deadline for sole proprietors and individuals (Form 1040) October 15, 2021
Nonprofit Tax Deadlines Due Date
Original tax deadline for exempt organizations (Form 990) May 15*, 2021
Extension tax deadline for exempt organizations (Form 990) November 15, 2021

* May 15 is a Saturday, so the deadline will be the next business day, which is Monday, May 17, 2021.