California Code, Government Code - GOV § 22807

(a) Notwithstanding subdivision (b) of Section 22772, a contracting agency may, by resolution filed with the board, deem all permanent or regular employees, except members of the State Teachers' Retirement Plan, who have an appointment of six months or longer but are employed less than half-time, to be employees subject to this part.

(b) Notwithstanding subdivision (b) of Section 22772, a contracting agency with employees who are members of the State Teachers' Retirement Plan may, by resolution filed with the board, deem any of the following to be employees subject to this part: