CBP held ACE maintenance window in December 2025 (historical notice)
CBP title: ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, December 6, 2025, to 4:00 a.m. ET Sunday, December 7, 2025
This message is from December 4, 2025. 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 Saturday, December 6, 2025, to 4:00 a.m. ET Sunday, December 7, 2025. This was a system maintenance window affecting ACE availability during those hours. The message did not describe any other changes or requirements.
What is Allied's position?
This was a routine ACE maintenance window that has already passed. It did not change any filing rules, and clients do not need to take any action regarding this notice now. If clients have questions about entries filed around that maintenance window, they should ask Allied to review them.
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, December 6, 2025, to 4:00 a.m. ET Sunday, December 7, 2025.