Cal. Corporations Code - CORP § 10810. Section 10810.
A nonprofit corporation may be formed under Part 2 (commencing with Section 5110) or Part 3 (commencing with Section 7110) of this division for the purposes of defraying or assuming the cost of professional services of licentiates under any chapter of Division 2 (commencing with Section 500) of the Business and Professions Code or of rendering any such services, but it may not engage directly or indirectly in the performance of the corporate purposes or objects unless all of the following requirements are met:
(a)
At least one-fourth of all licentiates of the particular profession residing in California become members.
(b)
Membership in the corporation and an opportunity to render professional services upon a uniform basis are available to all licensed members of the particular profession.
(c)
Voting by proxy and cumulative voting are prohibited.
(d)
A certificate is issued to the corporation by the particular professional board whose licentiates have become members, finding compliance with the requirements of subdivisions (a), (b), and (c).
Any such corporation shall be subject to supervision by the particular professional board under which its members are licensed and shall also be subject to the part under which it is formed, either Part 2 (commencing with Section 5110) or Part 3 (commencing with Section 7110) of this division, except as to matters specifically otherwise provided for in this article.