This instrument amends Rule 34 of the Armed Forces (Court Martial) Rules 2009 (S.I. 2009/2041). Rule 2 provides that in proceedings requiring lay members the rank of the president of the board must be at least OF-6 where the defendant is of rank OF-6 or higher. Where a defendant is of rank OF-5 or lower, the president of the board must be of superior rank to the defendant.