Sec. 842.101.  GENERAL MEMBERSHIP REQUIREMENT.  (a)  Except as otherwise provided by this subchapter, a person who is not a member becomes a member of the retirement system on the latest of:
(1)  the date the subdivision's participation in the retirement system becomes effective, if the person is a subdivision employee on that date;
(2)  the date the person becomes a subdivision employee; or
(3)  January 1, 2006, if the person is an employee of a participating subdivision on that date and was previously excluded from retirement system membership.
(b)  Except as otherwise provided by this subtitle or by rules adopted by the board of trustees, the rights and benefits of a member are determined separately with respect to each subdivision with which the member has credited service.
(c)  If a person's status as a temporary employee ceases, and the person becomes an employee within the meaning of this subtitle, the subdivision shall certify the change to the retirement system, and the person becomes a member effective on the date of the certification, but without credit for the period during which the person was a temporary employee.
Acts 1981, 67th Leg., p. 1876, ch. 453, Sec. 1, eff. Sept. 1, 1981.  Amended by Acts 1981, 67th Leg., 1st C.S., p. 209, ch. 18, Sec. 42, eff. Nov. 10, 1981;  Acts 1985, 69th Leg., ch. 491, Sec. 6, eff. June 12, 1985;  Acts 1987, 70th Leg., ch. 63, Sec. 3, eff. May 6, 1987.  Renumbered from Vernon's Ann.Civ.St. Title 110B, Sec. 52.101 and amended by Acts 1989, 71st Leg., ch. 179, Sec. 1, eff. Sept. 1, 1989.  Amended by Acts 1995, 74th Leg., ch. 245, Sec. 2, eff. Sept. 1, 1995;  Acts 2003, 78th Leg., ch. 621, Sec. 5, eff. Jan. 1, 2004.
Amended by: 
Acts 2005, 79th Leg., Ch. 506 (H.B. 633), Sec. 7, eff. January 1, 2006.
Acts 2007, 80th Leg., R.S., Ch. 873 (H.B. 1587), Sec. 10, eff. January 1, 2008.