24 Del. C. § 1810: Reciprocity.

(a) Upon submission and acceptance of a written application on forms provided by the Board, along with payment of the required fee, the Board shall grant a license to each applicant who presents proof of current licensure in good standing in another state, the District of Columbia, or a territory of the United States whose standards for licensure are substantially similar to those of this State and who submits the verified evidence described in § 1808(a)(3) through (5) of this title.

(b) An applicant who is licensed by another state, the District of Columbia, or a territory of the United States whose standards for licensure are not substantially similar to those of this State must have practiced for a minimum of 7 years after licensure, in addition to meeting the other qualifications for reciprocity in this section.