ACE Certification Maintenance Window on 01/12/2022 from 5:00pm – 8:00pm EST

CSMS #50670604 - ACE Certification Maintenance Window on 01/12/2022 from 5:00pm – 8:00pm EST U.S. Customs and Border Protection sent this bulletin at 01/11/2022 01:07 PM EST CSMS #50670604 - ACE Certification Maintenance Window on 01/12/2022 from 5:00pm – 8:00pm EST Please be aware that there will be an ACE Certification (EDI testing environment) invasive maintenance window on 01/12/2022 from 5:00pm to 8:00pm EST.