Special Courts-Martial.
Article 9
ART. 9. Special Courts-Martial.—The commanding officer of a district and when empowered by the President, the commanding officer of a garrison, fort, camp, brigade, regiment, detached battalion, or other detached command may appoint special courts-martial but when any such commanding officer is the accuser or the prosecutor of the person or persons to be tried, the court shall be appointed by superior authority, and may in- any case be appointed by superior authority when, by the latter deemed desirable; and no officer shall-be eligible to sit as a member of such court when he is the accuser or a witness for the prosecution or for-the defense.