California Code, Code of Civil Procedure - CCP § 116.240

(a) With the consent of the parties who appear at the hearing, the court may order a case to be heard by a temporary judge who is a member of the State Bar, and who has been sworn and empowered to act until final determination of the case.

(b) Prior to serving as a temporary judge in small claims court, on and after July 1, 2006, and at least every three years thereafter, each temporary judge shall take the course of study offered by the courts on ethics and substantive law under rules adopted by the Judicial Council. The course shall include, but not be limited to, state and federal consumer laws, landlord-tenant law along with any applicable county specific rent deposit law, the state and federal Fair Debt Collection Practices Acts, the federal Truth in Lending Act, the federal Fair Credit Billing Act, the federal Electronic Fund Transfer Act, tort law, and contract law, including defenses to contracts and defenses to debts. On substantive law, the courts may receive assistance from the Department of Consumer Affairs, to the extent that the department is fiscally able to provide that assistance.