Skip to main content

An official website of the United States government

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.

  1. Home
  2. Newsroom
  3. Documents Library
  4. ACE CATAIR Census Warning Override

ACE CATAIR Census Warning Override

This page 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

Attachment Ext. Size Date
ACE CATAIR Census Warning Override 2008 PDF 348.08 KB 02/26/2020

CBP Publication Number

EO13891-OT-408

Last Modified: Feb 28, 2020