Tex. Spec. Dist. Code § 9029.004
(a) The authority is composed of the territory described by Section 2, Chapter 101, Acts of the 58th Legislature, Regular Session, 1963, as that territory may have been modified under:
(b) The boundaries of the authority form a closure. A mistake in the field notes or in copying the field notes in the legislative process does not affect:
Added by Acts 2013, 83rd Leg., R.S., Ch. 112 (S.B. 1026), Sec. 1.06, eff. April 1, 2015.