Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
In CERT: January 6, 2022
In PROD: January 7, 2022
This page provides the message formats and technical specifications necessary to electronically transmit data to CBP's automated systems.
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