10 U.S.C. § 806 : US Code - Section 806: Art. 6. Judge advocates and legal officers

Search 10 U.S.C. § 806 : US Code - Section 806: Art. 6. Judge advocates and legal officers

(a) The assignment for duty of judge advocates of the Army, Navy,
Air Force, and Coast Guard shall be made upon the recommendation of
the Judge Advocate General of the armed force of which they are
members. The assignment for duty of judge advocates of the Marine
Corps shall be made by direction of the Commandant of the Marine
Corps. The Judge Advocate General or senior members of his staff
shall make frequent inspections in the field in supervision of the
administration of military justice.
(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 entitled to
communicate directly with the staff judge advocate or legal officer
of a superior or subordinate command, or with the Judge Advocate
General.
(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 may later act
as a staff judge advocate or legal officer to any reviewing
authority upon the same case.
(d)(1) A judge advocate who is assigned or detailed to perform
the functions of a civil office in the Government of the United
States under section 973(b)(2)(B) of this title may perform such
duties as may be requested by the agency concerned, including
representation of the United States in civil and criminal cases.
(2) The Secretary of Defense, and the Secretary of Homeland
Security with respect to the Coast Guard when it is not operating
as a service in the Navy, shall prescribe regulations providing
that reimbursement may be a condition of assistance by judge
advocates assigned or detailed under section 973(b)(2)(B) of this
title.