Appendix C - ISO Country Codes

In CERT: January 19, 2021
In PROD: January 20, 2021

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.