Tex. Government Code § 863.004: PRIOR SERVICE OF MEMBER BEFORE DEPARTMENTAL PARTICIPATION.

The state board by rule may authorize the granting of credit for service with a participating department that was performed before the date the department began participation in the pension system. The costs of granting prior service credit under this section must be determined on a basis that maintains the pension system as actuarially sound.

Added by Acts 2005, 79th Leg., Ch. 803 (S.B. 522), Sec. 1, eff. September 1, 2005.