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ACE Appendix L – DDTC USML Category Codes

This page provides the message formats and technical specifications necessary to electronically transmit data to CBP's automated systems.

 

Attachment Ext. Size Date
ACE Appendix L – DDTC USML Category Codes PDF 258.71 KB 10/25/2021

CBP Publication Number

EO13891-OT-312

Last Modified: Oct 25, 2021