(a) The board secretary shall:
(1) issue notice of the hearing that includes:
(A) the time and place of the hearing; and
(B) a description of the territory proposed to be annexed; and
(2) post copies of the notice for 15 days before the date of the hearing in:
(A) three public places in the district; and
(B) one public place in the territory proposed to be annexed.
(b) The notice must be published in a newspaper of general circulation in the county one time at least 15 days before the date of the hearing.