44 CFR 5.21 - Effect of failure to publish.
5 U.S.C. 552(a)(1) provides that, except to the extent that a person has actual and timely notice of the terms thereof, a person may not in any manner be required to resort to, or to be adversely affected by, a matter required to be published in the Federal Register and not so published.
Title 44 published on 2013-10-01
no entries appear in the Federal Register after this date.