CSMS #43103049 - RESOLVED: ACE Import Manifest EDI Message Processing Delays U.S. Customs and Border Protection sent this bulletin at 06/19/2020 02:39 PM EDT Cargo Systems Messaging Service CSMS #43103049 - RESOLVED: ACE Import Manifest EDI Message Processing Delays The ACE Import Manifest system delays in processing EDI messages for Manifest and In-bond transactions have been RESOLVED. Message backlogs have been cleared and normal processing has resumed.