(a) The district is composed of the territory described by Section 3, Chapter 1321, Acts of the 76th Legislature, Regular Session, 1999, as that territory may have been modified under:(1) Subchapter J, Chapter 49, Water Code;(2) Subchapter H, Chapter 65, Water Code; or(3) other law.(b) The boundaries and field notes of the district form a closure. A mistake in the field notes or in copying the field notes in the legislative process does not affect:(1) the district's organization, existence, or validity;(2) the district's right to issue any type of bond for a purpose for which the district is created or to pay the principal of and interest on the bond; or(3) the legality or operation of the district or its board. Added by Acts 2007, 80th Leg., R.S., Ch. 920 (H.B. 3166), Sec. 1.07, eff. April 1, 2009.