California Code, Corporations Code - CORP § 12504

(a) A corporation may amend its articles to change its status to that of a nonprofit public benefit corporation, a nonprofit mutual benefit corporation, a nonprofit religious corporation, a business corporation, or a social purpose corporation by complying with this section and the other sections of this chapter.

(b) Except as authorized by Section 12501 or unless the corporation has no members, an amendment to change its status to a nonprofit public benefit corporation or a nonprofit religious corporation shall:  (1) be approved by the members (Section 12224), and the fairness of the amendment to the members shall be approved by the Commissioner of Financial Protection and Innovation pursuant to Section 25142; or (2) be approved by the members (Section 12224) in an election conducted by written ballot pursuant to Section 12463 in which no negative votes are cast; or (3) be approved by 100 percent of the voting power.

(c) Amended articles authorized by this section shall include the provisions which would have been required (other than the initial street address and initial mailing address of the corporation and the name of the initial agent for service of process if a statement has been filed pursuant to Section 12570), and may in addition only include those provisions which would have been permitted, in original articles filed by the type of corporation (nonprofit public benefit, nonprofit mutual benefit, nonprofit religious, business, or social purpose) into which the corporation is changing its status.

(d) At the time of filing a certificate of amendment to change status to a nonprofit public benefit corporation, the Secretary of State shall make available the filed certificate to the Attorney General.