CISA Access Coordination Request letter
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The Access Coordination Request letter (ACR letter) is provided to assist critical infrastructure owners and operators engage local officials in coordinating the access and support necessary to restore infrastructure services.
When warranted, CISA will post an ACR letter for and incident at this URL. If recovery activities continue beyond the effective dates, CISA will issue a new letter for that incident with new effective dates.
Previously published but not expired and archived letters can be found on our CISA Access Coordination Request letter Archive.