Section 9400 Of Article 3. Weight Fees From California Vehicle Code >> Division 3. >> Chapter 6. >> Article 3.

. Except as provided in Section 9400.1, and in addition to any other registration fee, there shall be paid the fees set forth in this section for the registration of any commercial motor vehicle that operates with unladen weight. Weight fees for pickup trucks are calculated under this section. Whenever a camper is temporarily attached to a motor vehicle designed to transport property, the motor vehicle shall be subject to the fees imposed by this section. The camper shall be deemed to be a load, and fees imposed by this section upon the motor vehicle shall be based upon the unladen weight of the motor vehicle, exclusive of the camper.
  (a) For any electric vehicle designed, used, or maintained as described in this section, fees shall be paid according to the following schedule: