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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.
The Carrier Identification number (CA#) is issued exclusively by the CHP as part of their Biennial Inspection of Terminals (BIT) Program and is used as the motor carrier permit number. Not all motor carriers who require a motor carrier permit need to participate in the BIT Program.hen should a new carrier apply for a permit? A permit is required before vehicles can be operated on California roadways so new carriers should apply prior to starting operations. Permit terms are a 12-month period beginning at the date of initial application and expiring on the last day of the twelfth month.