ACE Certification Standard Invasive Maintenance Window on May 31, 2023 from 5:00 p.m. to 8:00 p.m. ET

CSMS # 56447785 - ACE Certification Standard Invasive Maintenance Window on May 31, 2023 from 5:00 p.m. to 8:00 p.m. ET U.S. Customs and Border Protection sent this bulletin at 05/30/2023 04:49 PM EDT CSMS # 56447785 - ACE Certification Standard Invasive Maintenance Window on May 31, 2023 from 5:00 p.m. to 8:00 p.m. ET There will be an ACE Certification Standard Invasive Maintenance Window on May 31, 2023 from 5:00 p.m. to 8:00 p.m. ET.