California Code, Business and Professions Code - BPC § 2539.1

(a)(1) On and after January 1, 2010, in addition to satisfying the licensure and examination requirements described in Sections 2532, 2532.2, and 2532.25, no licensed audiologist shall sell hearing aids unless they complete an application for a dispensing audiology license, pay all applicable fees, and pass an examination, approved by the board, relating to selling hearing aids.

(2) The board shall issue a dispensing audiology license to a licensed audiologist who meets the requirements of paragraph (1).

(b)(1) On and after January 1, 2010, a licensed audiologist with an unexpired license to sell hearing aids pursuant to Article 8 (commencing with Section 2538.10) may continue to sell hearing aids pursuant to that license until that license expires pursuant to Section 2538.53, and upon that expiration the licensee shall be deemed to have satisfied the requirements described in subdivision (a) and may continue to sell hearing aids pursuant to their audiology license subject to this chapter. Upon the expiration of the audiologist's license to sell hearing aids, the board shall issue them a dispensing audiology license pursuant to paragraph (2) of subdivision (a). This paragraph shall not prevent an audiologist who also has a hearing aid dispenser license from maintaining dual or separate licenses if they choose to do so.

(2) A licensed audiologist whose license to sell hearing aids, issued pursuant to Article 8 (commencing with Section 2538.10), is suspended, surrendered, or revoked shall not be authorized to sell hearing aids pursuant to this subdivision and they shall be subject to the requirements described in subdivision (a) and the other provisions of this chapter.