Intelligence Law Glossary - 50X


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50X

Administrative Law

32 CFR § 2001.26(b):  Automatic declassification exemption markings [32 CFR CHAPTER XX—INFORMATION SECURITY OVERSIGHT OFFICE, NATIONAL ARCHIVES AND RECORDS ADMINISTRATION: 32 CFR PART 2001—CLASSIFIED NATIONAL SECURITY INFORMATION]

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(b) Marking information exempted from automatic declassification at 50 years.
Records exempted from automatic declassification at 50 years shall be automatically declassified on December 31 of a year that is no more than 75 years from the date of origin unless an agency head, within five years of that date, proposes to exempt specific information from declassification at 75 years and the proposal is formally approved by the Panel.
(1) When the information clearly and demonstrably could be expected to reveal the identity of a confidential human source or a human intelligence source, the marking shall be “50X1-HUM.”
(2) When the information clearly and demonstrably could reveal key design concepts of weapons of mass destruction, the marking shall be “50X2-WMD.”
(3) In extraordinary cases in which the Panel has approved an exemption from declassification at 50 years under section 3.3(h) of the Order, the same procedures as those under § 2001.26(a) will be followed with the exception that the number “50” will be used in place of the “25.”
(4) Requests for exemption from automatic declassification at 50 years from elements of the Intelligence Community (to include pertinent elements of the Department of Defense) should include a statement of support from the Director of National Intelligence or his or her designee. Requests for automatic declassification exemptions from elements of the Department of Defense (to include pertinent elements of the Intelligence community) should include a statement of support from the Secretary of Defense or his or her designee. Requests for automatic declassification exemptions from elements of the Department of Homeland Security should include a statement of support from the Secretary of the Department of Homeland Security or his or her designee.