Cal. Government Code - GOV § 50964. Section 50964.
(a)
Except as described in subdivision (b), a department may participate in and make all of its volunteers members of the award system by a contract entered into between the governing body of the department and the board pursuant to this chapter.
(b)
The board may prohibit a new contract with or may establish terms and conditions regarding a new contract for a department that has previously terminated a contract for participation under this chapter.
