January 25, 2011 United States Signals Intelligence Directive 18
Document Date:
January 25, 2011
Release Date: November 18, 2013
Agency:
Government (ACLU/EFF FOIA Litigation)
Document Type:
Internal NSA Documents/Presentations
Legal Authorities:
FISA Amendments Act, Executive Order 12333
Records Collected:
Telephone Content, Internet Content
Download document
United States Intelligence Directive 18 (USSID 18) dated January 25, 2011 prescribing NSA policies and procedures as they relate to the Fourth Amendment of the Constitution and minimization procedures/rules governing the collection, retention, and dissemination of information about US persons.