California Code, Business and Professions Code - BPC § 19262

(a) Every household mover shall furnish to the bureau annually, as specified by the bureau, a list, prepared under oath, of all vehicles used in transportation for compensation during the preceding year. The bureau shall furnish a copy of this list to the Department of the California Highway Patrol and to the household mover's insurer, if the household mover's accident liability protection is provided by a policy of insurance.

(b) If the household mover's insurer informs the bureau that the household mover has failed to obtain insurance coverage for any vehicle reported on the list, the bureau may, in addition to any other applicable penalty provided in this chapter, for a first occurrence, suspend the household mover's permit, or impose a fine, or both, and for a second or subsequent occurrence may suspend or revoke the permit, or impose a fine, or both.