CBP held ACE maintenance window in March 2026, now past
CBP title: ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, March 21, 2026, to 4:00 a.m. ET Sunday, March 22, 2026
This message is from March 19, 2026. Later CSMS messages may have changed it. See the latest trade news
What did CBP announce?
CBP announced an ACE production standard invasive maintenance window from 10:00 p.m. ET Saturday, March 21, 2026, to 4:00 a.m. ET Sunday, March 22, 2026. This affected system availability for filers using ACE during that window. The maintenance is complete and this notice is now historical.
What is Allied's position?
This was a routine, time-limited system maintenance notice from March 2026 and it has already passed. It does not affect any entries we file today. 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 an ACE production standard invasive maintenance from 10:00 p.m. ET Saturday, March 21, 2026, to 4:00 a.m. ET Sunday, March 22, 2026.