(1) The appellant shall, within 21 days after the decision of the Court, serve upon the clerk of the Court notice in writing of the grounds for his or her appeal.
(2) A notice of the grounds for appeal may be served either at the time of giving or serving the notice of appeal, or within 21 days of the decision of the Court, and may either be embodied in the written notice of appeal or in a separate document.
(3) Where the appellant is an inmate, a correctional officer shall cause a written notice of the grounds for appeal, if such grounds are communicated to him or her by the appellant, to be served in accordance with the provisions of subsection (1).