Tex. Spec. Dist. Code § 7806.004
(a) The district is composed of the territory described by Section 3, Chapter 472, Acts of the 69th Legislature, Regular Session, 1985, as that territory may have been modified under:
(b) The boundaries of the district form a closure. A mistake in the description of the district's boundaries does not affect:
Added by Acts 2011, 82nd Leg., R.S., Ch. 70 (S.B. 1147), Sec. 1.02, eff. April 1, 2013.