CBP Announces Extended ACE Production Maintenance Window Overnight November 14-15
U.S. Customs and Border Protection (CBP) advised through its Cargo Systems Messaging Service (CSMS) that the Automated Commercial Environment (ACE) production system will undergo an extended invasive maintenance window from 9:00 p.m. ET on Saturday, November 14, 2026, to 4:00 a.m. ET on Sunday, November 15, 2026.
ACE is the electronic system for U.S. import and export cargo filings and processing. Importers, customs brokers and carriers filing through ACE during the window should plan around the maintenance period, following CBP's CSMS notice for details.
(Source: U.S. Customs and Border Protection)
Source: U.S. Customs and Border Protection
Published by GSM · USA (original Chinese edition)
Photo: 图：美国海关与边境保护局总部所在的罗纳德·里根大楼外景。ajay_suresh 摄，CC BY 2.0，经 Wikimedia Commons。 / Photo: The Ronald Reagan Building, home to CBP headquarters. Photo by ajay_suresh, CC BY 2.0, via Wikimedia Commons.
