Cal. Gov. Code § 21165

Notwithstanding any other provision of this article, the retirement for disability of a member, other than a local safety member, with the exception of a school safety member, who has been granted or is entitled to a leave of absence with compensation, which shall include nonindustrial disability insurance benefits payable pursuant to Article 5 (commencing with Section 19878) of Chapter 2.5 of Part 2.6, shall not become effective prior to the expiration of the leave of absence with compensation, unless the member applies for or consents to his or her retirement as of an earlier date.