(a) A part of a county may not be detached from one county and attached to another county unless the proposition for the change is approved by a majority of the voters in both counties as required by Article IX, Section 1, of the Texas Constitution.
(b) On the written application of at least 50 qualified voters of a county, the county judge of the county shall order an election to consider detaching from the county a part of its territory or to consider attaching to the county a part of another county.

(c) The application must designate the part by a metes and bounds description and must show:
(1) the number of acres contained within the part;
(2) the number of acres remaining in the county from which the part is detached; and
(3) the distance on a direct line from the county seat of the county from which the part is detached to the nearest point on the boundary of the detached territory.
(d) The notice of the election must contain substantially the information included in the application and the election order.