The district may provide for a retirement system; provided, that the adoption, terms, and conditions of any retirement system covering employees of the district represented by a labor organization in accordance with this section shall be pursuant to a collective bargaining agreement between such labor organization and the district. The district may establish trust accounts for the purposes of this section.
(Amended by Stats. 2011, Ch. 536, Sec. 9. (AB 957) Effective January 1, 2012.)