Sec. 852.106.  INELIGIBILITY FOR MEMBERSHIP;  MULTIPLE RETIREMENT SYSTEM MEMBERSHIP.  (a)  Except as provided by this section, a person who is elected to public office is not an employee eligible for membership in the retirement system.
(b)  A person may simultaneously receive credit or benefits for service performed during the same period in the retirement system and the federal program providing old age and survivors insurance.
(c)  If a volunteer firefighter or an elected officer is employed by a participating municipality in another capacity that satisfies the definition of "employee" under this subtitle, the person may be a member of, and receive service credit in, the retirement system for service performed in the other capacity.
(d)  If a person is elected to an office of a municipality that began participating in the retirement system after December 31, 1981, the person is required to become a member of the retirement system as of the date the person takes office or the effective date of participation, whichever is later.  If a person is elected to an office of a municipality that has adopted an ordinance under Section 852.107, the person is required to become a member of the retirement system as of the date the person takes office or the effective date of the ordinance, whichever is later.
(e)  A person may simultaneously be a member of this retirement system and another state or local retirement system authorized or established under Section 67, Article XVI, Texas Constitution.  However, a person may receive a benefit from this system only to the extent that the amount of the benefit is computed solely with respect to the member's compensation and accumulated contributions as those terms are defined in this subtitle.  Service credited with or allowed by another retirement system may not be counted for purposes of retirement eligibility in this retirement system except in accordance with the provisions of the proportionate retirement program described by Chapter 803.
Acts 1981, 67th Leg., p. 1876, ch. 453, Sec. 1, eff. Sept. 1, 1981.  Amended by Acts 1981, 67th Leg., 1st C.S., p. 219, ch. 18, Sec. 70, eff. Jan. 1, 1982.  Renumbered from Vernon's Ann.Civ.St. Title 110B, Sec. 62.106 and amended by Acts 1989, 71st Leg., ch. 179, Sec. 1, eff. Sept. 1, 1989.  Amended by Acts 2001, 77th Leg., ch. 121, Sec. 2, eff. Jan. 1, 2002.