If your trucking business operates across state lines or transports regulated goods, obtaining Motor Carrier (MC) Authority is crucial for legally conducting interstate commerce. At One Stop Business Solutions, we simplify the MC Authority Application process, ensuring your business is fully compliant with federal regulations and ready to operate in interstate commerce. MC Authority is a federal authorization issued by the Federal Motor Carrier Safety Administration (FMCSA) that permits trucking companies to transport goods or passengers across state lines. To legally haul loads in interstate commerce, you must have both a USDOT number and MC Authority.