Access the 2026 Federal Compliance Calendar here.

Due Dates for Non-Calendar Year Plans

Medicare Part D Disclosures: Due 60 days after the start of the plan year

Plan Year Beginning

Medicare Part D Creditable Coverage Reporting Due to CMS

December 1, 2025

January 30, 2026

January 1, 2026

March 2, 2026

February 1, 2026

April 2, 2026

March 1, 2026

April 30, 2026

April 1, 2026

May 31, 2026

May 1, 2026

June 30, 2026

June 1, 2026

July 31, 2026

July 1, 2026

August 30, 2026

August 1, 2026

September 30, 2026

September 1, 2026

October 31, 2026

October 1, 2026

November 30, 2026

November 1, 2026

December 31, 2026

 

5500 Reporting: Due on the last day of the 7th month after the end of the plan year

Plan Year Ending

5500 Due

Due Date with Extension

June 30, 2025

January 31, 2026

April 15, 2026

July 31, 2025

February 28, 2026

May 15, 2026

August 31, 2025

March 31, 2026

June 15, 2026

September 30, 2025

April 30, 2026

July 15, 2026

October 31, 2025

May 31, 2026

August 15, 2026

November 30, 2025

June 30, 2026

September 15, 2026

December 31, 2025

July 31, 2026

October 15, 2026

January 31, 2026

August 31, 2026

November 15, 2026

February 28, 2026

September 30, 2026

December 15, 2026

March 31, 2026

October 31, 2026

January 15, 2027

April 30, 2026

November 30, 2026

February 15, 2027

May 31, 2026

December 31, 2026

March 15, 2027

 

Summary of Material Modifications: Due within 210 days after the end of the plan year

Plan Year Ending

SMM Due

June 30, 2025

January 26, 2026

July 31, 2025

February 26, 2026

August 31, 2025

March 29, 2026

September 30, 2025

April 28, 2026

October 31, 2025

May 29, 2026

November 30, 2025

June 28, 2026

December 31, 2025

July 29, 2026

January 31, 2026

August 29, 2026

February 28, 2026

September 26, 2026

March 31, 2026

October 27, 2026

April 30, 2026

November 26, 2026

May 31, 2026

December 27, 2026

 

Summary Annual Report (SAR): Due within 9 months after the end of the plan year

Plan Year Ending

SAR Due

April 30, 2025

January 31, 2026

May 31, 2025

February 28, 2026

June 30, 2025

March 31, 2026

July 31, 2025

April 30, 2026

August 31, 2025

May 31, 2026

September 30, 2025

June 30, 2026

October 31, 2025

July 31, 2026

November 30, 2025

August 31, 2026

December 31, 2025

September 30, 2026

January 31, 2026

October 31, 2026

February 28, 2026

November 30, 2026

March 31, 2026

December 31, 2026