Cal. BPC § 1967

A registered dental hygienist in alternative practice corporation is a professional corporation that is authorized to render professional services, as defined in Section 13401 of the Corporations Code, so long as that professional corporation and its shareholders, officers, directors, and professional employees rendering professional services are in compliance with the Moscone-Knox Professional Corporation Act (commencing with Section 13400) of Part 4 of Division 3 of Title 1 of the Corporations Code, this article, and all other statutes and regulations now or hereafter adopted pertaining to the professional corporation and the conduct of its affairs. With respect to a registered dental hygienist in alternative practice corporation, the governmental agency referred to in the Moscone-Knox Professional Corporation Act is the Dental Hygiene Board of California.