CSMS # 69100111 - Update to ACE CATAIR Error Dictionary: New Error “F876 DUTY HTS REQUIRES NON-DUTY HTS”

U.S. Customs and Border Protection sent this bulletin at 06/30/2026 12:10 PM EDT

Cargo Systems Messaging Service

CSMS # 69100111 - Update to ACE CATAIR Error Dictionary: New Error “F876 DUTY HTS REQUIRES NON-DUTY HTS”

Please be advised that an updated version of the ACE CATAIR Error Dictionary V49 has been posted under the Supporting Documents: Documentation for Entry Summary Chapters

section CBP.gov. This update creates a new Fatal validation to prevent a dutiable Auto Part HTS and a dutiable Medium and Heavy-Duty Vehicles (MHDV) HTS number from being on the same Entry Summary line. The update includes the following error:

F876: 876 DUTY HTS REQUIRES NON-DUTY HTS

When an Entry Summary line contains a common Auto Part HTS number and a MHDV HTS number, only one or the other may be a dutiable CH99 HTS (i.e., if the Auto Part HTS number is dutiable, then the MHDV CH99 HTS number must be non-dutiable and vice-versa). Note, however, it is permissible for the Auto Part HTS number and the MHDV HTS number to both be non-dutiable CH99 HTS numbers.

This update was deployed to the CERTIFICATION environment and the PRODUCTION environment on June 25, 2026

For any technical questions regarding this update, please contact your assigned Client Representative.

Questions or concerns should be directed to Entry Summary Accounts & Revenue Division (ESAR) at esar@cbp.dhs.gov.

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