Marking classified national security information : as required by Executive Order 12958, as amended, Classified National Security Information, March 25, 2003 and ISOO implementing directive no. 1, effective September 22, 2003.

Bibliographic Details
Corporate Author: United States. Information Security Oversight Office
Format: Government Document eBook
Language:English
Published: Washington, D.C. : Information Security Oversight Office, [2007]
Subjects:
Online Access:https://purl.fdlp.gov/GPO/LPS109057
Description
Item Description:Title from title screen (viewed on Feb. 18, 2009).
"The May 2005 version is still usable"--P. [1].
"October 2007."
Electronic resource.
Physical Description:30 pages : digital, PDF file.
Format:Mode of access: Internet from the ISOO web site. Address as of 2/18/09: http://www.archives.gov/isoo/training/marking-booklet.pdf ; current access available via PURL.