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Census Releases AES Trouble-Shooting Tips

The U.S. Census Bureau on Aug. 20 released trouble-shooting techniques to resolve frequent Fatal Error notification issues in the Automated Export System (AES). Fatal Errors occur when a shipment is rejected in AES.

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Fatal Error 120: Carrier Unknown

Reason: The Carrier ID (SCAC/IATA) reported is not known in AES.

Resolution: For vessel, rail or truck shipments the carrier must be identified with an active SCAC code issued by the National Motor Freight Traffic (NMFTA). For air shipments, the carrier must be identified with an active IATA code issued by the International Air Transport Association. If the Carrier ID (SCAC/IATA) as known at the time of filing is not valid in AES and a valid Carrier ID (SCAC/IATA) cannot be obtained from the carrier, as a last resort, report the Carrier ID as UNKN for vessel, rail or truck shipments. For an unknown air carrier, report one of the acceptable “unknown” codes as follows:

  • *F or 99F for Unknown Foreign Air Carrier
  • *U or 99U for Unknown U.S. Air Carrier
  • *C or 99C for Unknown Canadian Air Carrier
  • **or 99O for flyway aircraft reported under Chapter 88. Verify the Mode of Transportation Code and the Carrier ID (SCAC/IATA), correct the shipment and resubmit.

Fatal Error 123: Conveyance Name Missing

Reason: The Conveyance Name was not reported.

Resolution: The name of the transport conveyance must be reported for the major transport modes (vessel, air, rail, and truck). For vessel shipments, report the name of the vessel. For air, rail and truck shipments report the carrier name. Verify the Mode of Transportation Code and the Conveyance Name/ Carrier Name, correct the shipment and resubmit.

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