When the wear of the Army uniform is required or prohibited
a. All personnel will wear the Army uniform when on duty, unless granted an exception by the commander to wear civilian clothes. The wear of civilian clothing on duty is subject to the provisions of AR 700-84. The following personnel may grant exceptions: (1) Commanders of major commands. (2) Assistant Secretaries, the Secretary of Defense or his designee, or the Secretary of the Army. (3) Heads of Department of Defense agencies. (4) Heads of Department…