Del. Code tit. 24, § 3907A

In addition to meeting all other applicable requirements under §§ 3907 and 3909 of this title, an applicant whose application is based on a diploma or degree issued by a social work program outside of the United States or its territories shall furnish evidence satisfactory to the Board that the applicant completed a course of professional instruction equivalent to a program approved by the Council on Social Work Education or its successor. The applicant shall arrange and pay for a credential evaluation of the foreign program, to be completed by an agency that the Board has approved.