This document amends the U.S. Customs and Border Protection (CBP) regulations to reflect that on November 1, 2015, the Automated Commercial Environment (ACE) will be a CBP-authorized Electronic Data Interchange (EDI) System. This regulatory document informs the public that the Automated Commercial System (ACS) is being phased out as a CBP-authorized EDI System for the processing electronic entry and entry summary filings (also known as entry filings). ACE will replace the Automated Commercial System (ACS) as the CBP-authorized EDI system for processing commercial trade data. This document also announces the conclusion of the ACE Cargo Release and the Entry Summary, Accounts and Revenue tests with regard to the entry and entry summary requirements that are now part of the CBP regulations.