Section 5-334 - Order to show cause(a) Promptly after a petition for adoption is filed under this Part III of this subtitle, a juvenile court shall issue a show-cause order that requires the party to whom issued to respond as required under the Maryland Rules.(b) On issuance of a show-cause order as to adoption of a child under this section, a petitioner shall serve the order on:(1) each of the child's living parents who has not consented to the adoption;(2) each living parent's last attorney of record in the CINA case; and(3) the child's last attorney of record in the CINA case.(c) Service under this section shall be: (1) on a parent, by: (i) first-class mail; and(ii)2. certified mail, restricted delivery, return receipt requested; and(2) on an attorney, by: (ii) certified mail, return receipt requested.(d) Service on a parent under this section shall be attempted as provided in § 5-316(d), (e), and (f) of this subtitle.