(a) The district is initially composed of the territory described by Section 2 of the Act enacting this chapter.
(b) A mistake in the field notes of the district contained in Section 2 of the Act enacting this chapter or in copying the field notes in the legislative process does not in any way affect:
(1) the district’s organization, existence, or validity;
(2) the district’s right to contract, including the right to issue any type of bond or other obligation for a purpose for which the district is created;
(3) the district’s right to impose or collect an assessment, ad valorem taxes, or any other revenue; or
(4) the legality or operation of the board.