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

CSMS #47717004 - ACE Production Extended Maintenance, Sat. May 08th, 2021@ 9pm to 04:00am ET Sun. May 09th U.S. Customs and Border Protection sent this bulletin at 05/07/2021 09:50 AM EDT CSMS #47717004 - ACE Production Extended Maintenance, Sat. May 08th, 2021@ 9pm to 04:00am ET Sun. May 09th Please be aware that there will be an Extended ACE PRODUCTION Maintenance window this Saturday evening, May 08 th , 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.