Louisiana Revised Statutes Tit. 29, § 142. Article 42. Oaths

A. Before performing their respective duties, military judges, members of a general and special court-martial, trial counsel, assistant trial counsel, defense counsel, assistant defense counsel, reporters and interpreters shall take an oath to perform their duties faithfully. The form of the oath, the time and place of the taking thereof, the manner of recording the same, and whether the oath shall be taken for all cases in which these duties are to be performed or for a particular case, shall be as prescribed in procedures and regulations prescribed in Article 36 of this Code. These regulations may provide that an oath to perform faithfully duties as a military judge, trial counsel, assistant trial counsel, defense counsel or assistant defense counsel may be taken at any time by any judge advocate or legal officer, or other person certified to be qualified or competent for the duty, and if such an oath is taken it need not again be taken at the time the judge advocate or other person is detailed to that duty.

B. Each witness before a court-martial shall be examined on oath.