Notice Announcing the Automated Commercial Environment (ACE) Protest Module as the Sole CBP-Authorized Method for Filing Electronic Protests

This document announces that the Automated Commercial Environment (ACE) Protest Module will be the sole method authorized by the Commissioner of U.S. Customs and Border Protection (CBP) for filing electronic protests. This document also announces that CBP will no longer accept protests filed through the Automated Broker Interface (ABI) to the Automated Commercial System (ACS). Upon the effective date of this notice, ACE will replace ACS as the electronic data interchange system authorized for protest filing.

This is a factual description of what was issued or decided, not an assessment of it.