Tex. Spec. Dist. Code § 1047.301
(a) If a countywide hospital district is created for Jasper County or if a district is created for the territory in Jasper County that is not included in the Jasper Hospital District, the board may choose to merge with the newly created hospital district if:
Added by Acts 2007, 80th Leg., R.S., Ch. 920 (H.B. 3166), Sec. 1.02, eff. April 1, 2009.