c) Denials and appeals. Denials under FOIA of access to national security information accessioned into the National Archives of the United States are made by designated officials of the originating or responsible agency or by NARA under a written delegationof authority. You must appeal determinations that records remain classified for reasons of national security to the agency with responsibility for protecting and declassifying that information. NARA will provide you with the necessary appeal information in those cases.Dated: August 17, 2000.John W. Carlin,Archivist of the United States.
Carlin could refuse FOIA requests? Gee, if so, couldn't that come in handy?