(a) At least five working days prior to the adjudicatory hearing, the children's court shall issue summons to:

(1) The minor;

(2) The minor's parents, guardian or custodian; and

(3) Any person the children's court or the minor believes necessary for the adjudication of the hearing.

(b) The summons shall contain the name of the court, the title of the proceedings, and the date, time and place of the hearing.

(c) A copy of the petition shall be attached to the summons.

(d) The summons shall be delivered personally by a law enforcement officer or appointee of the children's court. If the summons cannot be delivered personally, the court may deliver it by certified mail.