(a)  Every motor carrier engaged in the transportation of household goods between points within the state including a carrier providing a service incidental to or part of the intrastate transportation shall include and shall require each of its agents to include in every advertisement as defined in this section, the name or trade name of the motor carrier under whose operating authority the advertised service will originate and the certificate of public convenience number or permit number issued to the operating authority by the public utilities commission.

(b)  As used in this section, “advertisement” shall mean any written or printed communication to the public in connection with an offer or sale of any intrastate transportation service but not including the name, address, and telephone number of the carrier.