Filing Deadline for Partnership and S-Corp Pass Through Returns (1065, 1120S) March 15, 2021 @ 11:59 pm
Filing Deadline for Estate and Trust Tax Returns (1041) NOTE: With Calendar Year End April 15, 2021 @ 11:59 pm
Filing Deadline-Quarterly (Q1) & Monthly Michigan Sales, Use, and Withholding Tax (5080) April 20, 2021 @ 11:59 pm
Filing Deadline – Extended 2020 Estate & Trust (1041) NOTE: Calendar Year End July 15, 2021 @ 11:59 pm
