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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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(1) Ensure the SAC has signed the letter before delivery. 1) Have you double-checked the information requested? Make sure names and numbers are typed correctly in the NSL. Typographical errors can result in the collection of information not relevant to a national security investigation. This Is a potential LOB violation. {] You must document service of the NSL. This documentation should include the date of service, the type of service, and identify the person served. {] After the NSL is served, make sure to retain a copy of the signed NSL in the investigative file and upload the document under the appropriate NSL document type in ACS. Receipt of NSL-Derived Information {] Is the company seeking to be compensated for providing the NSL-derived information? Is so, see EC dated 11 April 2006 (319X-HQ-A1487720-OGC, Serial 222) for guidance the FBI's policy on payment for NSL-derived information. C]) Before entering the information received as a result of an NSL into any database, double-check to ensure the information received ts relevant to your investigation and has not been an overcollection, () Ifthe information you received is not relevant to your investigation, contact your CDC or NSLB for advice on how to proceed with a potential LOB report. Your CDC will sequester the information and delermine the next appropriate action. Dissemination of NSL-Derived Information {] Dissemination of NSL information is limited by the dissemination provisions of the NSIG. In addition, EPCA and RFPA NSL-derived information can be disseminated to other agencies only when the information is clearly relevant to the responsibilities of the recipient agency. FCRA NSL-derived information is permitted to be disseminated to other federal agencies as may be necessary for the approval or conduct of an FCI investigation.
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