Idaho Code § 40-1604
The commissioners shall require their clerk to have a notice published in accordance with the provisions of section 40-206, Idaho Code, setting forth the fact that a petition has been filed with the commissioners. The notice shall state the name of the highway district from which territory is proposed to be detached; a concise general description of the territory so proposed to be detached and its boundaries; the current bonded and current warrant indebtedness of the district; a notice of the time and place when and where the petition will be heard by the commissioners; and notice that any elector qualified to vote at an election of the district may, prior to or at the time of the hearing, file with the clerk of the commissioners written objections to the proposed detachment of the territory.
Idaho Code § 40-1604