CBP held ACE maintenance overnight May 9 to 10, 2026
CBP title: ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, May 9, 2026 to 4:00 a.m. ET Sunday, May 10, 2026
This message is from May 7, 2026. Later CSMS messages may have changed it. See the latest trade news
What did CBP announce?
CBP announced ACE production standard invasive maintenance from 10:00 p.m. ET on Saturday, May 9, 2026 to 4:00 a.m. ET on Sunday, May 10, 2026. This affected users of the ACE system during that window. The message did not describe which specific ACE functions were unavailable.
What is Allied's position?
This was a routine, time-limited maintenance window for ACE that has already passed. It does not affect entries filed today, and clients do not need to take any action regarding this notice.
General information, not legal advice.
What does the CBP message say?
There will be ACE production standard invasive maintenance from 10:00 p.m. ET Saturday, May 9, 2026, to 4:00 a.m. ET Sunday, May 10, 2026.