(a) The district is composed of the territory described by Section 3, Chapter 865, Acts of the 69th Legislature, Regular Session, 1985, as that territory may have been modified under:(1) Subchapter H, Chapter 54, Water Code;(2) Subchapter J, Chapter 49, Water Code; or(3) other law.(b) The boundaries and field notes of the district form a closure. A mistake in copying the field notes in the legislative process or another mistake in the field notes does not affect:(1) the district's organization, existence, or validity;(2) the district's right to issue bonds for a purpose for which the district was created or to pay the principal of and interest on the bonds;(3) the district's right to impose a tax; or(4) the legality or operation of the district or the board. Added by Acts 2013, 83rd Leg., R.S., Ch. 112 (S.B. 1026), Sec. 1.03, eff. April 1, 2015.