Upon the filing of a petition for detachment, it shall be presented to the court, which shall fix the date and hour for hearing. The clerk of the court shall give notice of the hearing to the owners of all of the lands in the district substantially in the form provided in Section 4--21 and in the manner and for the length of time provided in Section 4--22, except that when notice is given by publication no notice by mailing shall be required. The notice shall include a description of the land sought to be detached. If the petition is filed by the owner of the land sought to be detached, then 10 days notice shall also be given by the clerk to the commissioners by mailing a copy of such notice to each commissioner.
70 ILCS 605/8-9