The city elects to participate in the statewide system for pension, relief, disability and retirement for city employees as provided by Chapter 41.44 RCW. All employees and officers of the city shall be included in this system except the regular and temporary members of the police department and the fire department, who shall be included in the pension, relief, disability and retirement system provided by Chapter 41.26 RCW as now enacted or hereafter amended; provided, that no elective official shall be included unless such elective official elects to be included and files written notice of such election with the board of trustees of the system and with the finance director. [Ord. 2013-09-072 § 8; Code 1980 at § 2.16.010].