Sec. 2. (a) If any person other than the child cannot be served in accordance with Rule 4.1 of the Indiana Rules of Trial Procedure, the juvenile court may order service by publication in accordance with Rule 4.13 of the Indiana Rules of Trial Procedure. However, the summons must clearly inform the person being served that the person must respond not later than ten (10) days after the last publication.
(b) If:
(1) the action is to terminate the parent-child relationship; and
(2) the parent cannot be served in accordance with Rule 4.1 of the Indiana Rules of Trial Procedure;
service must be made by publication.