California Code, Streets and Highways Code - SHC § 27512

(a) The adoption, terms, and conditions of a pension plan covering employees of the district in a bargaining unit represented by a labor organization shall be pursuant to a collective bargaining agreement between that organization and the board and shall be subject to this section.

(b) The pension plan and the funds of the plan shall be managed and administered by a retirement board composed of equal representation of labor and management. Any deadlock among the members of the board with respect to that management and administration shall be resolved in the manner specified in Section 302 of the federal Labor Management Relations Act, 1947 (29 U.S.C. Sec. 186(c)(5)).

(c) The duties and responsibilities of the retirement board shall be executed in accordance with Section 17 of Article XVI of the California Constitution.

(d) This section does not apply if the district has, pursuant to a collective bargaining agreement, provided membership for the district's represented employees in the Public Employees' Retirement System, a retirement system established pursuant to the County Employees Retirement Law of 1937, or a pension trust subject to the Employee Retirement Income Security Act of 1974 (29 U.S.C. Sec. 1001 et seq.)