U.S. flag

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. Guidance
  3. ACE ABI CATAIR Batch & Block Control Chapter

ACE ABI CATAIR Batch & Block Control Chapter

EO13891-OT-396
Guidance
Document Posting Date

This chapter of the ACE Automated Broker Interface (ABI)/CBP and Trade Automated Interface Requirements (CATAIR) provides trade participant interface information for the revised ACE-version of an Automated Broker Interface (ABI) electronic data submission for the Application Identifiers specifically noted.
This page provides the message formats and technical specifications necessary to electronically transmit data to CBP's automated systems.

  • Last Modified: October 20, 2021