Section 74-4955 - Eligible employees(1) Any policeman or fireman of a participating employer shall become a member of the system upon the entry date of his or her employer, except that any policeman or fireman of a participating employer who is covered by the pension systems established under the provisions of K.S.A. 13-14a01 to 13-14a14 and amendments thereto, or K.S.A. 14-10a01 to 14-10a15 and amendments thereto, shall become a member of the system herein established only by filing with the board, on or before his or her employer's entry date, a written election to become a member of such system. Failure to file such written election shall be presumed to be an election not to become a member. Such election, whether to become a member or not to become a member, shall be irrevocable.(2) Any person who shall be employed as a policeman or fireman by a participating employer who is participating in the system with respect to such group on or after the entry date shall become a member of the system upon the first day of such employment.(3) Any policeman or fireman of a participating employer who is on an authorized leave of absence on the employer's entry date shall become a member of the system on the first day of his or her return to active employment and the employer's payroll, except that if such employee is covered by the pension systems established under the provisions of K.S.A. 13-14a01 to 13-14a14 and amendments thereto or K.S.A. 14-10a01 to 14-10a15 and amendments thereto, he or she shall become a member of the system herein established only by filing with the board within ten (10) days after returning to active employment, a written election to become a member of such system. Failure to file such written election shall be presumed to be an election not to become a member. Such election, whether to become a member or not to become a member, shall be irrevocable.(4) Any person who holds the elective office of sheriff of a participating employer which is participating in the system with respect to such group may become a member by filing with the board a written election to become a member on or before taking office or the entry date of his or her employer. Failure to file such written election shall be presumed to be an election not to become a member. Such election, whether to become a member or not to become a member, shall be irrevocable. Any person who becomes a member by virtue of this subsection shall receive prior service credit only if such person becomes a member when first eligible to do so.L. 1965, ch. 447, § 5; L. 1967, ch. 431, § 4; L. 1974, ch. 390, § 18; L. 1979, ch. 250, § 2; July 1.