10 CFR 95.41 - External receipt and dispatch records.
Each licensee, certificate holder or other person possessing classified information shall maintain a record that reflects:
(e) The identity of the sender from which the material was received or recipient to which the material was dispatched. receipt and dispatch records must be retained for 2 years.
[62 FR 17697, Apr. 11, 1997]
Title 10 published on 2014-01-01
no entries appear in the Federal Register after this date.