California Code, Business and Professions Code - BPC § 2538.17

The board may recommend the preparation of and administration of a course of instruction concerned with the fitting and selection of hearing aids.  The board may require applicants to first complete the required course of instruction or otherwise satisfy the board that the applicant possesses the necessary background and qualifications to fit or sell hearing aids.  If the board promulgates regulations to implement this section to require a course of instruction concerned with fitting and selling hearing aids, the board shall obtain the advice of persons knowledgeable in the preparation and administration of a course of instruction.

The board may publish and distribute information concerning the examination requirements for obtaining a license to engage in the practice of fitting and selling hearing aids within this state.