On September 28, 2016 U.S. Customs and Border Protection (CBP) updated the ACE Mandatory Use Dates page on the CBP website, announcing that the dates for the post-release capacity transition has been moved again from October 29, 2016 to tentatively January 2017.
According to the notice, CBP decided, “to allow additional time for our trade stakeholders to transition these capabilities to ACE.” This transition also allows for additional time to receive and review public comments on the capability changes.
Read more at expeditors.com