No hearing aid shall be sold by an individual licensed under this chapter, to a person 16 years of age or younger, unless within the preceding six months a recommendation for a hearing aid has been made by both a board-certified, or a board-eligible physician specializing in otolaryngology, and by a state licensed audiologist. A replacement of an identical hearing aid within one year shall be an exception to this requirement.
Ca. Bus. and Prof'l. Code § 2538.37