Cal. Pub. Util. Code § 3902
(a) No household goods carrier, as defined in Section 5109, shall engage in any interstate or foreign transportation of property for compensation by motor vehicle, and no motor carrier shall engage in any interstate or foreign transportation of passengers for compensation by motor vehicle, on any public highway in this state without first having registered the operation with the commission or the carrier’s base registration state, if other than California, as determined in accordance with final regulations issued by the Interstate Commerce Commission pursuant to the Intermodal Surface Transportation Efficiency Act of 1991 (49 U.S.C. Sec. 11506). To register with the commission, carriers specified in this section shall comply with the following: