C.R.S. § 24-51-1401

(1) The board is hereby authorized to establish and administer a voluntary investment program and to create a separate trust fund to hold the assets of said investment program. (2) The voluntary investment program shall be available to all members, DPS members, retirees, and DPS retirees, and shall be in addition to any other retirement or tax-deferred compensation system established by the state or its political subdivisions. (3) The board is hereby authorized to offer participation in the voluntary investment program to all employees of employers that are affiliated with the association, regardless of whether those employees are members or retirees. (4) For purposes of this part 14, members and retirees shall include DPS members and DPS retirees.