(a) The district is composed of the territory described by Section 2 of the Act enacting this chapter, as that territory may have been modified under:(1) Section 3849.106;(2) Subchapter J, Chapter 49, Water Code; or(3) other law.(b) The boundaries and field notes of the district contained in Section 2 of the Act enacting this chapter form a closure. A mistake in the field notes or in copying the field notes in the legislative process does not in any way affect the district's:(1) organization, existence, or validity;(2) 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;(3) right to impose or collect an assessment or tax; or(4) legality or operation. Added by Acts 2007, 80th Leg., R.S., Ch. 949 (H.B. 4004), Sec. 1, eff. June 15, 2007.