At any time subsequent to a Board decision but prior to the Board's decision becoming final, any party to the appeal may request by motion, with notice to all parties, a rehearing before to Board. The motion shall set forth briefly and distinctly the grounds for the motion. The Board shall promptly consider the motion for reconsideration. A copy of the Board's decision on the motion for rehearing shall be mailed to all parties or their counsel if represented by an attorney.
19 Del. Admin. Code § 1201-7.0