California Code, Business and Professions Code - BPC § 7114

(a) Aiding or abetting an unlicensed person to evade the provisions of this chapter or combining or conspiring with an unlicensed person, or allowing one's license to be used by an unlicensed person, or acting as agent or partner or associate, or otherwise, of an unlicensed person with the intent to evade the provisions of this chapter constitutes a cause for disciplinary action.

(b) A licensee who is found by the registrar to have violated subdivision (a) shall, in accordance with the provisions of this article, be subject to the registrar's authority to order payment of a specified sum to an injured party, including, but not limited to, payment for any injury resulting from the acts of the unlicensed person.