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National Security Letters — Part 1

1188 pages · May 11, 2026 · Document date: Dec 4, 1981 · Broad topic: General · Topic: National Security Letters · 1018 pages OCR'd
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b6 b7C 21-2006 11-16-2006 12-7-2006 12-8-2006 3-5-2007 Email to CDCs from Email to CDCs from Ec: All Divisions EC: FOs, CTD, CD, Cyber Ec; All Divisions Email to all CDCs from EC: Ail Divisrons from RMD Email] sent out documenting a change in the standard attachment for telephone billing records so that it 1s clear what we considec “toil billing records;" so that we get additional] relevant information; and to obviate sore potential TOBs where we get additional account. information we didn't ask for. In response to careiers giving us more than we asked for because of convenience, we changed the transaction cecord attachment sent with NSLs. email to change narratives on website with respect to NSLs. Reitecating unportance of including the following in NSL ECS: whether subject is USP or non-USP; and what kind of NSL ts being issued. These details are amportant for Congressional reporting requirernenits, Provides revised procedures on IOBs. Details potential IOBs involving NSLs and set forth procedures on sequestecing overcollected material. OGC believes Congressional reporting requirements apply to the subject of the NSL even though it 1s uncleac that NSL ECS have oy been reportung the LISP status of the Provided guidance requiring NSL authorizing ECs to cite the investigative case file to which the request infonnation relates. Provided guidance on the approptiate use of 18 USC 2702 emergency disclosure provision. Required use of “exigent letters” to cease, Informed CDCs of update to NSL website reflecting change to narrative on reporting requirements. 1681v NSLs cannot be obtained for counterintelligence investigations, EC required a review of NSLs to determine whether full credit reports were obtained through NSLs for counterintelligence investigations. Interum guidance on the retention of NSLs. 3-19-2007 EC: All Field Requirement of a monthly count of NSLs by field office. Offices
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