Important Upcoming Dates
March 15th, 2026
April 15th, 2026
May 15th, 2026
September 15th, 2026
October 15th, 2026
Taxes due for partnerships, multi-member LLCs, and S-corporations
Taxes due for individuals, single member LLCs, sole proprietors, and C-corps. Extension request deadline
Filing deadline for 990 returns
Extended filing deadline for partnership and S-corp returns
Extended filing deadline for individuals and calendar year C-corps
Employer-Specific Dates
January 31st, 2026
February 28th, 2026
April 30th, 2026
July 31st, 2026
October 31, 2026
Deadline for filing fourth quarter of Employer's Quarterly Federal Tax Return (Form 941). Deadline for filing forms W-2, W-3, 940, 943, 944, 1099-NEC, and 945.
Deadline for filing forms 1099-MISC and 8027.
Deadline for filing first quarter of Employer's Quarterly Federal Tax Return (Form 941)
Deadline for filing second quarter of Employer's Quarterly Federal Tax Return (Form 941)
Deadline for filing third quarter of Employer's Quarterly Federal Tax Return (Form 941)