This document is about a form (Form M-1) for Multiple Employer Welfare Arrangements (MEWAs) and Certain Entities Claiming Exception (ECEs) to file annual reports, registrations, originations, or requests for extensions with the U.S. Department of Labor's Employee Benefits Security Administration. The form collects custodial, financial, and compliance information about the MEWA or ECE, including details about the administrator, sponsors, service providers, and whether the coverage is compliant with various ERISA regulations.