If you are already registered with FMCSA, but wish to add an operating authority, you can register using a form and a check via US Mail. Apply for your trucking authority.You'll obtain your authority from the FMCSA in the form of an MC number. You must complete and submit an "Application for Authority to Operate as a Carrier of. A company may apply for operating authority based on the company's business operations. With your business established and all the initial pieces in place, carriers and brokers can then fill out an FMCSA registration form for their MC authority. Application – Applicant submits a complete application and supporting documentation to Office of Minority Business Enterprise (OMBE) . To obtain your own trucking authority, you have to follow a few steps. Proof of insurance must be filed with the Department of Transportation, Motor Vehicles Division. This dynamic PDF is not fillable if you open it in your internet browser.