[Code of Federal Regulations] [Title 45, Volume 3] [Revised as of October 1, 2005] From the U.S. Government Printing Office via GPO Access [CITE: 45CFR601.8] [Page 41] TITLE 45--PUBLIC WELFARE CHAPTER VI--NATIONAL SCIENCE FOUNDATION PART 601_CLASSIFICATION AND DECLASSIFICATION OF NATIONAL SECURITY INFORMATION--Table of Contents Sec. 601.8 Access to classified materials. No person may be given access to classified information unless that person has been determined to be trustworthy and unless access is essential to the accomplishment of lawful and authorized Government purposes.