A military judge shall be detailed to each military commission under this chapter. The Secretary of Defense shall prescribe regulations providing for the manner in which military judges are so detailed to military commissions. The military judge shall preside over each military commission to which such military judge has been detailed.

A military judge shall be a commissioned officer of the armed forces who is a member of the bar of a Federal court, or a member of the bar of the highest court of a State, and who is certified to be qualified for duty under section 826 of this title (article 26 of the Uniform Code of Military Justice) as a military judge of general courts-martial by the Judge Advocate General of the armed force of which such military judge is a member.

No person is eligible to act as military judge in a case of a military commission under this chapter if such person is the accuser or a witness or has acted as investigator or a counsel in the same case.

A military judge detailed to a military commission under this chapter may not consult with the members except in the presence of the accused (except as otherwise provided in section 949d of this title), trial counsel, and defense counsel, nor may such military judge vote with the members.

A commissioned officer who is certified to be qualified for duty as a military judge of a military commission under this chapter may perform such other duties as are assigned to such officer by or with the approval of the Judge Advocate General of the armed force of which such officer is a member or the designee of such Judge Advocate General.

The convening authority of a military commission under this chapter may not prepare or review any report concerning the effectiveness, fitness, or efficiency of a military judge detailed to the military commission which relates to such judge’s performance of duty as a military judge on the military commission.