The former statewide cities retirement system has been merged into the Washington public employees retirement system pursuant to RCW 41.40.405, 41.40.406, and 41.40.407. The statutes and rules applying to the public employees retirement system and the department of retirement systems (as provided in chapters 41.40 and 41.50 RCW and Title 415 WAC) govern the administration and operation of the former statewide cities retirement system.