ACE Production Extended Maintenance, Sat. May 08, 2021 from 9:00pm to 04:00am ET Sun. May 09

CSMS #47669629 - ACE Production Extended Maintenance, Sat. May 08, 2021 from 9:00pm to 04:00am ET Sun. May 09 U.S. Customs and Border Protection sent this bulletin at 05/03/2021 10:50 AM EDT CSMS #47669629 - ACE Production Extended Maintenance, Sat. May 08, 2021 from 9:00pm to 04:00am ET Sun. May 09 Please be aware that there will be an Extended ACE PRODUCTION Maintenance window this Saturday evening , May 08, 2021, for CBP ACE Infrastructure maintenance that will start ONE hour earlier than normal – Saturday 9:00pm ET to Sunday 4:00am ET . The maintenance is for ACE infrastructure maintenance.