ISOO Notice 2019-01: Agencies Eligible to Receive Referrals from Automatic Declassification at 25, 50, and 75 Years

Background

The following agencies have received approval from the Interagency Security Classification Appeals Panel (ISCAP) to exempt specific information from automatic declassification and may receive referrals resulting from automatic declassification reviews. Each agency is only authorized to use the exemptions listed in the respective tables below. In accordance with section 3.3(d)(3) of Executive Order 13526, “Classified National Security Information” (the “Order”), these agencies should not be sent referrals for information that they are not authorized to exempt.

Document Archive

ISOO Notice 2019-01: Agencies Eligible to Receive Referrals from Automatic Declassification at 25, 50, and 75 Years [9 Pages, 1.88MB]

Additional Reference

To exempt records from automatic declassification, agencies must have the specific authority to extend the duration of classification beyond 25 years in the form of a File Series Exemption and/or an Interagency Security Classification Appeals Panel (ISCAP) approved declassification guide. Information may be considered for exemption if one or more of the following exemption categories apply:

Continue scrolling for more...
  • 25X1 – reveal the identity of a confidential human source, a human intelligence source, a relationship with an intelligence or security service of a foreign government or international organization, or a non-human intelligence source; or impair the effectiveness of an intelligence method currently in use, available for use, or under development;
  • 25X2 – reveal information that would assist in the development, production, or use of weapons of mass destruction;
  • 25X3 – reveal information that would impair U.S. cryptologic systems or activities;
  • 25X4 – reveal information that would impair the application of state-of-the-art technology within a US weapon system;
  • 25X5 – reveal formally named or numbered U.S. military war plans that remain in effect, or reveal operational or tactical elements of prior plans that are contained in such active plans;
  • 25X6 – reveal information including foreign government information, that would cause serious harm to relations between the U.S. and a foreign government, or to ongoing diplomatic activities of the U.S;
  • 25X7 – reveal information that would impair the current ability of U.S. government officials to protect the President, Vice President, and other protectees for whom protection services, in the interest of national security, are authorized;
  • 25X8 – reveal information that would seriously impair current national security emergency preparedness plans or reveal current vulnerabilities of systems, installations, or infrastructures relating to the national security;
  • 25X9 – violate a statute, treaty, or international agreement that does not permit the automatic or unilateral declassification of information at 25 years.
Follow The Black Vault on Social Media:

This post was published on July 16, 2020 12:54 pm

John Greenewald

Recent Posts

The DoD Inspector General’s Evaluation of the DoD’s Actions Regarding Unidentified Aerial Phenomena

This article was originally written in August 2024. However, additional document releases related to these…

July 15, 2025

Do Not Respond: Pentagon Staff Instructed to Ignore The Black Vault’s UAP Inquiry

The Department of Defense (DoD) has released 151 pages of internal records related to the…

July 15, 2025

U.S. Government Confirms Multiple Drone Incursions Over Pantex Nuclear Facility; Newly Released Documents Reveal Previously Unreported Security Events

The U.S. Department of Energy (DOE) has released a series of previously undisclosed documents confirming…

July 12, 2025

Air Force Confirms Drone Swarms Over Wright-Patterson AFB Led to Airspace Shutdown; Videos and Reports Released

Newly released Air Force records confirm that Wright-Patterson Air Force Base (WPAFB) in Ohio experienced…

July 11, 2025

Navy Withheld Nearly 500 Pages About UAP Video Release Decision, Records Show FOIA Pressure Drove Disclosure

Newly released documents obtained through the Freedom of Information Act (FOIA) reveal that the U.S.…

July 9, 2025

CIA Mishandles UFO Files Again: Intelligence on Soviet UFO Reports Lost Forever

The CIA’s history of losing or mismanaging UFO-related records continues with yet another example, this…

July 7, 2025