ACE ACS Introduction to Entry Processing
This document provides the message formats and technical specifications necessary to electronically transmit data to CBP's automated systems.
This document may qualify as a “guidance document” as set forth in Executive Order 13891 and interpretations thereof; such guidance documents are not binding and lack the force and effect of law, except as authorized by law or as incorporated into a contract. This document is being posted to this portal to provide stakeholders with useful information.
Pub # 0875-0419