Section 130.6. Judge advocates and legal officers

(a) The state judge
  advocate or his assistants shall make frequent inspections in the  field
  in  supervision  of  the  administration  of  military  justice  in  the
  organized militia.
    (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.