California Code, Government Code - GOV § 22959.92

(1) A person who has retired from an employer described in subdivision (c) and receives a retirement allowance from the Public Employees' Retirement System.

(2) A surviving family member receiving an allowance in place of an annuitant who has retired as provided in paragraph (1), or as the survivor of a deceased employee under Section 21541, 21546, or 21547.7.

(1) An annuitant's spouse or domestic partner.

(2) Any unmarried child, including an adopted child, a stepchild, or recognized natural child under 23 years of age who is economically dependent upon the annuitant, when there exists a parent-child relationship with the annuitant.

(3) An unmarried child who at the time of attaining 23 years of age is incapable of self-support because of physical or mental disability that existed continuously from a date prior to attainment of 23 years of age, and who continues in family member status until termination of that status.