24 Del. C. § 207

(a) The Board shall, in the same month of each year, or at such times as are determined by the testing service, administer the uniform national examination, prepared and graded by the National Council of Landscape Architectural Registration Boards or such portions of the uniform national examination as it deems necessary. Such written examination shall be obtained from, and corrected by, the National Council of Landscape Architectural Registration Boards, or similar national testing service. Where an applicant has failed to pass the examination, but has successfully completed or passed certain portions or sections which the applicant previously failed, the applicant shall be permitted to retake only those certain portions or sections of the examination the applicant has failed, if the testing service permits such partial examination. In the event the applicant fails the second time to successfully complete or pass the examination, the Board may require that such applicant again take the complete examination.

(b) In the event an applicant has already taken and passed the uniform national examination, the certificate from the National Council of Landscape Architectural Registration Boards acknowledging same shall be accepted, and no further state examination shall be necessary.