This article was from November 2016
February 25, 1992 directive:
This Directive is effective immediately. Forward one copy of implementing documents to the Assistant Secretary of Defense (Command, Control, Communications and Intelligence) and the Inspector General, Department of Defense within 120 days. [Department of Defense, 2/25/92]
http://www.dtic.mil/dtic/tr/fulltext/u2/a272176.pdf#page=4