(1) Any finding or sentence of a Force Court which requires confirmation may be once revised by order of the confirming authority and on such revision, the Court, if so directed by the confirming authority, may take additional evidence.
     (2) The Court on revision, shall consist of the same officers as were present when the original decision was passed unless any of those officers are unavoidably absent.
     (3) In case of such unavoidable absence the cause thereof shall be duly certified in the proceedings and the Court shall proceed with the revision provided that, in the case of a General Force Court it consists of five officers and in the case of a Petty Force Court, of three officers.