Originally Posted by
Deeg
It appears that it does exist without limitation. 41 CFR 102-74.385 reads in its entirety:
Persons in and on property must at all times comply with official
signs of a prohibitory, regulatory or directory nature and with the
lawful direction of Federal police officers and other authorized
individuals.
That's circular, though, because, as stated, it only requires compliance with signs that have a basis in some regulation or law. So we're back to where we started from: what is the basis in law or regulation for those signs?