Section 14-2-313 - Service of petition(a) The petition shall be served on the following persons: (i) The parent of the child; (ii) The guardian ad litem; (iii) The guardian or next friend of the parent if the parent is a minor; (iv) The department of family services if the child is or has been supported by public assistance funds. (b) Service of the petition on the person required to be served by subsection (a) of this section shall be made as provided by the Wyoming Rules of Civil Procedure. If the person is a nonresident or his residence is unknown, service may be had by constructive service or by publication as provided in the Wyoming Rules of Civil Procedure.