Tex. Loc. Gov't Code § 506.002
Two or more counties that are adjacent or in close proximity, as determined by the commissioners courts of the counties involved, may establish a county alliance to authorize the creation of a corporation.
Added by Acts 2007, 80th Leg., R.S., Ch. 885 (H.B. 2278), Sec. 3.01, eff. April 1, 2009.