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Sharing Chemical-terrorism Vulnerability Information (CVI)

Access to and/or disclosure of CVI is based on the following general principles:

  1. Except in exigent or emergency circumstances, CVI may only be disclosed to CVI Authorized Users with a need to know.
  2. A need to know should be assessed on a case-by-case basis (typically including an individualized assessment of the documents involved).
  3. A covered person in possession of CVI should take reasonable steps to confirm that any individual seeking access to CVI is a CVI Authorized User and has a need to know.

DHS provides each CVI Authorized User with an unique identification number. Before sharing Chemical-terrorism Vulnerability Information, ask for this number. You can contact the CSAT Help Desk at 866-323-2957 to confirm a person's CVI Authorized User status.

Last Published Date: October 30, 2015

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