412.1 Authority to establish system. The council, board of waterworks trustees, or other board or commission, whichever is authorized by law to manage and operate any municipally owned waterworks system, or other municipally owned and operated public utility, may establish a pension and annuity retirement system for the employees of any such waterworks system, or other municipally owned and operated public utility. [C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §412.1]
Iowa Legal Code