Tex. Gov't Code § 823.004
(a) All credit for military service, out-of-state service, developmental leave, work experience in a career or technological field, and service transferred to the retirement system under Chapter 805 shall be computed on a September 1 through August 31 school year. Payments for service described by this section must be completed:
Added by Acts 1995, 74th Leg., ch. 555, Sec. 7, eff. Sept. 1, 1995.
Amended by Acts 1997, 75th Leg., ch. 1416, Sec. 3, eff. Sept. 1, 1997;
Acts 1999, 76th Leg., ch. 1122, Sec. 2, eff. Sept. 1, 1999;
Acts 2001, 77th Leg., ch. 1229, Sec. 5, eff. Sept. 1, 2001.
Acts 2017, 85th Leg., R.S., Ch. 931 (S.B. 1664), Sec. 4, eff. September 1, 2017.