(a) After granting a petition under Section 78.017 of this code, the commissioners court shall order an election to be held to determine whether a district should be created.
(b) If the proposed district is located entirely in one county, the county clerk shall post the notice at the county’s courthouse door and at four public places within the proposed district. If the proposed district is located in more than one county, the county clerk shall post the notice at each county’s courthouse door and at four public places within the proposed district in each county.

(c) The county clerk shall post the notice before the 30th day prior to the date of the election.
(d) The notice must contain a statement of:
(1) the purpose of the election;
(2) the time of the election;
(3) the locations at which the election will be held; and
(4) the boundaries of the proposed district.