A first lieutenant on the reserve active-status list of the Army, Air Force, or Marine Corps or a lieutenant (junior grade) on the reserve active-status list of the Navy who has failed of selection for promotion to the next higher grade for the second time and whose name is not on a list of officers recommended for promotion to the next higher grade shall be separated in accordance with
section 14513 of this title not later than the first day of the seventh month after the month in which the President approves the report of the board which considered the officer for the second time.