(b) Convening authorities shall at all times communicate directly with
their staff judge advocates or legal officers in matters relating to the
administration of military justice; and the staff judge advocate or
legal officer of any command is authorized to communicate directly with
the staff judge advocate or legal officer of a superior or subordinate
command, or with the state judge advocate.
(c) No person who has acted as member, military judge, trial counsel,
assistant trial counsel, defense counsel, assistant defense counsel or
investigating officer in any case shall subsequently act as a staff
judge advocate or legal officer to any reviewing authority upon the same
case.