Tex. Spec. Dist. Code § 6603.004
(a) The district is composed of the territory described by Section 1, Chapter 203, Acts of the 57th Legislature, Regular Session, 1961 (Article 8280-249, Vernon's Texas Civil Statutes), as that territory may have been modified under:
(b) The legislature finds that the boundaries of the district as described by Section 1, Chapter 203, Acts of the 57th Legislature, Regular Session, 1961 (Article 8280-249, Vernon's Texas Civil Statutes), and the field notes relating to those boundaries 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 2007, 80th Leg., R.S., Ch. 920 (H.B. 3166), Sec. 1.05, eff. April 1, 2009.