California Code, Probate Code - PROB § 402

(a) The qualification examination for applicants for appointment to act as a probate referee shall be held at times and places within the state determined by the Controller.

(b) The Controller may contract with another agency to administer the qualification examination. Administration of the examination shall include:

(c) Each applicant shall pay a fee for taking the qualification examination. The agency administering the examination shall transmit to the Controller a list of candidates who have received a passing score in the examination. The list is a public record.