Sec. 853.102.  ELIGIBILITY FOR PRIOR SERVICE.  (a)  A member is eligible to receive credit in the retirement system for prior service if the member:
(1)  became a member as an employee of a department of a municipality on the effective date of the department's participation in the retirement system;
(2)  became a member as an employee of a department of a municipality before the fifth anniversary of the effective date of the department's participation and continued as an employee of a participating department of the municipality for at least five consecutive years after reemployment;  or
(3)  became a member September 1, 1987, by virtue of Sections 852.101(a)(3) and (b) and has service before that date with a municipality that has adopted the provisions of Section 852.105.
(b)  The board of trustees may adopt rules concerning eligibility for prior service under this section.
Acts 1981, 67th Leg., p. 1876, ch. 453, Sec. 1, eff. Sept. 1, 1981.  Amended by Acts 1981, 67th Leg., 1st C.S., p. 221, ch. 18, Sec. 74, eff. Jan. 1, 1982;  Acts 1987, 70th Leg., ch. 183, Sec. 6, eff. Aug. 31, 1987.  Renumbered from Vernon's Ann.Civ.St. Title 110B, Sec. 63.102 and amended by Acts 1989, 71st Leg., ch. 179, Sec. 1, eff. Sept. 1, 1989.