(a) The district is composed of the territory described by Section 1, Chapter 337, Acts of the 65th Legislature, Regular Session, 1977, as that territory may have been modified under:(1) Subsection (c) or its predecessor statute, Section 2, Chapter 337, Acts of the 65th Legislature, Regular Session, 1977;(2) Subchapter H, Chapter 54, Water Code;(3) Subchapter J, Chapter 49, Water Code; or(4) other law.(b) The boundaries 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 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.(c) The board may redefine the boundaries of the district to correct any mistake in the field notes appearing in Section 1, Chapter 337, Acts of the 65th Legislature, Regular Session, 1977. Added by Acts 2015, 84th Leg., R.S., Ch. 855 (S.B. 1162), Sec. 1.07, eff. April 1, 2017.