(1) Upon appellant submitting to the Panel a request to dismiss the appeal;

(2) Upon motion of a party, or upon the Panel's own notice to the parties, that appellant has failed to perfect their appeal by failing to timely submit the Notice of Appeal or the administrative record to the Panel as set forth in sections 6003 and 6004;

(3) Upon certification by the licensing authority that reconsideration has been granted in the case after the Notice of Appeal has been submitted, and dismissal on this ground shall be without prejudice to the submission of a subsequent appeal in the same case; or

(4) Upon a motion by the licensing authority or other party, or upon the Panel's own notice to the parties, where sufficient cause exists for dismissal. In such an instance, the Panel's decision shall set forth with specificity the sufficient cause for the dismissal.