For the FOIA exemption regarding national defense and/or foreignpolicy to apply:

For the FOIA exemption regarding national defense and/or foreignpolicy to apply: A. Congress must specifically refer to thedocument or information in a statute B. the President must issue an executiveorder C. the document or information must becovered under the Privacy Act also D. the President must review the documentor information and authorize an exemption by signed letter to theagency in possession of the document or information