ATTENTION: ACE Production Invasive Maintenance Window MOVED to December 18-19

CSMS # 54269554 - ATTENTION: ACE Production Invasive Maintenance Window MOVED to December 18-19 U.S. Customs and Border Protection sent this bulletin at 12/07/2022 04:48 PM EST CSMS # 54269554 - ATTENTION: ACE Production Invasive Maintenance Window MOVED to December 18-19 There will be NO standard scheduled weekend maintenance on Saturday, December 17, 2022, for the Automated Commercial Environment (ACE) Production (PROD) environment. Instead, ACE will have an out-of-cycle invasive maintenance window, starting on Sunday, December 18, 2022, at 10:00 pm ET. The out-of-cycle invasive maintenance will end on December 19, 2022, at 4:00 am ET. During this window, the ACE Portal will be completely unavailable. Additionally, all ACE Electronic Data Interchange (EDI) queues, except for Manifest submissions, will be inhibited until the conclusion of the maintenance window.