[Code of Federal Regulations] [Title 7, Volume 6] [Revised as of January 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 7CFR500.4] [Page 321] TITLE 7--AGRICULTURE CHAPTER V--AGRICULTURAL RESEARCH SERVICE, DEPARTMENT OF AGRICULTURE PART 500--NATIONAL ARBORETUM--Table of Contents Subpart A--Conduct on U.S. National Arboretum Property Sec. 500.4 Conformity with signs and emergency directions. Persons in and on property of the U.S. National Arboretum shall comply with official signs of prohibitory or director nature and with the directions of authorized individuals. [61 FR 65302, Dec. 11, 1996]