2025-02-28 Filing Due Date Filing Due Date February 28 Filing Due Date 1099-MISC due to IRS paper format
2025-03-17 Filing Due Date Filing Due Date March 17 Filing Due Date Due date for Form 1065, 1120S and extensions
2025-03-31 Filing Due Date Filing Due Date March 31 Filing Due Date 1099-MISC due to IRS electronic format