California Code, Business and Professions Code - BPC § 2538.27

(a) An applicant who has fulfilled the requirements of Section 2538.24 and has made application therefor, may have a temporary license issued to them upon satisfactory proof to the board that the applicant holds a hearing aid dispenser license in another state, that the licensee has not been subject to formal disciplinary action by another licensing authority, and that the applicant has been engaged in the fitting and sale of hearing aids for the two years immediately prior to application.

(b) A temporary license issued pursuant to this section shall be valid for one year from date of issuance and is not renewable. A temporary license shall automatically terminate upon issuance of a license prior to expiration of the one-year period.

(c) The holder of a temporary license issued pursuant to this section who fails either license examination shall be subject to and shall comply with the supervision requirements of Section 2538.28 and any regulations adopted pursuant thereto.