Del. Code tit. 13, § 909

In any case in which consent has been given in accordance with the provisions of § 907 of this title, and the person, Department, licensed agency, authorized agency or child over age 14 giving the consent desires to withdraw the consent, the person, Department, licensed agency, authorized agency or child over age 14 shall file, within 60 days from the date of the filing of the adoption petition containing the consent, a petition asking the Court to revoke consent of such person, Department, licensed agency, authorized agency or child over age 14 and dismiss the adoption petition. The Family Court shall refer the petition to revoke and dismiss to the Department or licensed agency, and the Department or licensed agency shall, within 30 days of the reference, make a formal report thereon to the Court. Promptly upon receipt of the report, the Court shall rule upon the petition to revoke and dismiss.