Pub. L. 84-1028, tit. 10, subtit. C, pt. I, ch. 515, sec. 5202
Assistant Commandant: detail; pay; succession to duties
§ 5202. Assistant Commandant: detail; pay; succession to duties (a) An officer on the active list of the Marine Corps not restricted in the performance of duty may be detailed as Assistant Commandant of the Marine Corps. While so serving, he is entitled to the highest pay of his grade. (b) When there is a vacancy in the office of Commandant of the Marine Corps, or during the absence or disability of the Commandant, the Assistant Commandant and then the officers of the Marine Corps not restricted in the performance of duty on duty at Headquarters, Marine Corps, in order of seniority, shall perform the duties of the Commandant, unless otherwise directed by the President.