ACE Certification Invasive Maintenance Window on 11/23/2021 from 5:00pm to 11/23/2021 8:00pm ET

CSMS #50164146 - ACE Certification Invasive Maintenance Window on 11/23/2021 from 5:00pm to 11/23/2021 8:00pm ET U.S. Customs and Border Protection sent this bulletin at 11/22/2021 02:21 PM EST CSMS #50164146 - ACE Certification Invasive Maintenance Window on 11/23/2021 from 5:00pm to 11/23/2021 8:00pm ET There will be ACE Certification Invasive Maintenance Window on 11/23/2021 from 5:00pm to 11/23/2021 8:00pm ET.