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March 2025 calendar

MARCH Calendar

March is National Women’s History and National Ethics Awareness Month.

March 1 HIPAA Breach Notification

Forms 1095-B and 1095-C are due to be furnished to recipients

March 2 Creditable Coverage Disclosure due to CMS (Centers for Medicare and Medicaid Services)

Electronically submit OSHA Form 300A

March 4 Mardi Gras
March 9 Daylight Saving Time Begins
March 14 Pi Day
March 14 Holi
March 15 S Corp (Form 1120-S) and Partnership (Form 1065)

Form 8809 E-filing deadline

Tax Returns due

March 17 St. Patrick’s Day
March 19 – April 7 March Madness
March 20 First Day of Spring/ Baseball Season Starts
March 31 Q1 ends 

Form 1099-MISC due if reporting NEC in box 7

Deadline to file Form 1099s electronically

Deadline to file ACA Forms 1094-C, 1095-C electronically