Cancelled: ACE Certification Standard Invasive Maintenance Window on 09/01/2021 from 5:00pm to 08:00pm ET

CSMS #49231622 - Cancelled: ACE Certification Standard Invasive Maintenance Window on 09/01/2021 from 5:00pm to 08:00pm ET U.S. Customs and Border Protection sent this bulletin at 08/31/2021 01:22 PM EDT CSMS #49231622 - Cancelled: ACE Certification Standard Invasive Maintenance Window on 09/01/2021 from 5:00pm to 08:00pm ET Cancelled: ACE Certification Standard Invasive Maintenance Window on 09/01/2021 from 5:00pm to 08:00pm ET