Vlad the Impaler
Expert
Title 39, Code of Federal Regulations, Section 232.1(1) states:
Weapons and explosives. Notwithstanding the provisions of any other
law, rule or regulation, no person while on postal property may carry
firearms, other dangerous or deadly weapons, or explosives, either openly
or concealed, or store same on postal property, except for official
purposes.Weapons and explosives. Notwithstanding the provisions of any other
law, rule or regulation, no person while on postal property may carry
firearms, other dangerous or deadly weapons, or explosives, either openly
or concealed, or store same on postal property, except for official
Section 232.1(1) bans the storage or possession of weapons (concealed or otherwise) in an
enclosed postal parking lot, whereas 18 U.S.C. § 930(a) bans simple possession of a firearm in a
enclosed postal parking lot, whereas 18 U.S.C. § 930(a) bans simple possession of a firearm in a
federal facility/building provided the requisite notice is posted as described in § 930(h).
Full text from this 2008 case in Lousiana found here:
http://volokh.com/files/dorosan.pdf