(a) The petition prescribed by § 775.011 or 775.012 must show:
(1) that the district is to be created and is to operate under Article III, § 48-e, Texas Constitution, and Chapter 775;
(2) the name of the proposed district;
(3) the proposed district’s boundaries as designated by metes and bounds or other sufficient legal description;
(4) the services that the proposed district will provide;
(5) that the creation of the proposed district complies with Sections 775.020 and 775.0205;
(6) the mailing address of each petitioner; and
(7) the name of each municipality whose consent must be obtained under § 775.014.
(a-1) A statement that the boundaries of the district are coextensive with the boundaries of another political subdivision, as those boundaries exist on a particular date, is a sufficient legal description for purposes of Subsection (a)(3).

(b) The petition must contain an agreement signed by at least two petitioners that obligates them to pay not more than $150 of the costs incident to the formation of the district, including the costs of publishing notices, election costs, and other necessary and incidental expenses.