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Motor Carrier Authority Let Us File Your Motor Carrier Authority Motor Carrier Authority, also known as Interstate Trucking Authority, is required for trucking company owners that operate as for-hire motor carriers and transporting passengers or federally-regulated commodities in interstate commerce.
A motor carrier certificate of registration is non-transferable between carriers. Motor carriers can set up new authority (TxDMV Number), update information, renew certificate*, print cab cards and more through our online Motor Carrier Credentialing System (MCCS).