(1) The purpose of this title is to establish:

1. (a) retirement systems and the Utah Governors' and Legislators' Retirement Plan for members which provide:

   1. (i) a uniform system of membership;
   2. (ii) retirement requirements;
   3. (iii) benefits for members;
   4. (iv) funding on an actuarially sound basis;
   5. (v) contributions; and
   6. (vi) economy and efficiency in public service; and
2. (b) a central administrative office and a board to administer the various systems, plans, and programs established by the Legislature or the board.