Medicare Supplement Reporting Forms

​​​​Last Updated: April 16, 2024

Procedure to Submit Required Annual Market Regulatory Reports to OCI

​The following reporting forms are required to be filed with the Office of the Commissioner of Insurance (OCI) annually by the indicated due date for all insurers that had Medicare supplement business in force in Wisconsin durin​g the previous calendar year:

Form Number Description Reference Due Date
26-300 Medicare Supplement Experience Exhibit s. 601.42 (1g), Wis. Stat. April 1
26-303 Medicare Supplement Multiple Policies s. Ins 3.39 (26), Wis. Adm. Code March 1
​26-309 ​Medicare Supplement Refund Calculation ​s. Ins 3.39 (31), Wis. Adm. Code ​May 31

OCI has an online interface for insurance companies to interact with the Wisconsin Market Regulatory Reports and Forms application.

The insurer's Wisconsin Market Regulatory Reports and Forms Security Administrator/Forms Administrator will assign the required Medicare supplement reporting forms to staff for completion. The forms are​ completed utilizing the online Wisconsin Market Regulatory Reports and Forms application.

For information regarding the Wisconsin Market Regulatory Reports and Forms application, please reference the Market Regulatory Reports Online User Manual.

Market Regulatory Reports Online User Manual​

For any questions, please email ocimrreports@wisconsin.gov. The email should include the company's legal name and NAIC company number.