21 CFR § 20.65
National defense and foreign policy
June 25, 2020
(a) Records or information may be withheld from public disclosure if they are:
(1) Specifically authorized under criteria established by an Executive order to be kept secret in the interest of national defense or foreign policy; and
(2) In fact properly classified under such Executive order.
(b) [Reserved]
[70 FR 41958, July 21, 2005]