CSMS Message: 17-000204

Title:Use of ‘UNKN’ as a SCAC for AMS and non-AMS
Date:2017-04-10
To:abi,air,ocean,rail,truck
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CBP recently deployed changes to reject “UNKN” as a Standard Carrier Alpha Code (SCAC) for both AMS and non-AMS bill types in ACE cargo release.

When entering a non-AMS bill without a SCAC code, filers can bypass this validation with use of “ZZZZ” in the SCAC field in lieu of UNKN. Use of “ZZZZ” is a temporary feature and future programming will allow the field to be blank when manually entering a non-ABI entry with a non-AMS bill. Another CSMS will be issued when the temporary use of “ZZZZ” is discontinued. Please note that ZZZZ is not authorized for in use in manifest or in-bond transactions.

For further questions please contact Jim Swanson, Director, Cargo Security and Controls at Telephone (202) 325-1257