Classified Information and Controlled Unclassified Information: Memorandum for the Heads of Executive Departments and Agencies, May 27, 2009 [open pdf - 113KB]
The memorandum, "Classified Information and Controlled Unclassified Information" is for the Heads of Executive Departments and Agencies. "As outlined in my January 21, 2009, memoranda to the heads of executive departments and agencies on Transparency and Open Government and on the Freedom of Information Act, my Administration is committed to operating with an unprecedented level of openness. While the Government must be able to prevent the public disclosure of information where such disclosure would compromise the privacy of American citizens, national security, or other legitimate interests, a democratic government accountable to the people must be as transparent as possible and must not withhold information for self-serving reasons or simply to avoid embarrassment."
Federal Register (May 1, 2009), v.74 no.103, p.26277-26280