US Customs and Border Protection (CBP) announced that effective July 23rd, 2016 Automated Commercial Environment (ACE) will be the sole CBP authorized EDI system for the electronic entry and entry summary filings for all entry types.
All filers and all electronic filings must be formatted for submission in ACE and will no longer be accepted in Automated Commercial System (ACS).
For more details including Participating Government Agencies (PGA) timeline, please click here.