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System MaintenanceACECSMS #68303443 ·

CBP held ACE maintenance window in April 2026, now past

CBP title: ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, April 11, 2026, to 4:00 a.m. ET Sunday, April 12, 2026

This message is from April 9, 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 on Saturday, April 11, 2026, to 4:00 a.m. ET on Sunday, April 12, 2026. This is a routine system maintenance notice with no other details provided. The window has already passed as of today.

What is Allied's position?

This was a routine ACE maintenance notice and the window has already passed. It did not require any action from importers or shippers at the time, and it has no bearing on entries filed now. Clients do not need to act on this message.

General information, not legal advice.

What does the CBP message say?

Please be advised there will be an ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, April 11, 2026, to 4:00 a.m. ET Sunday, April 12, 2026.

Read the official CSMS #68303443

Which terms does this use?

Does this change affect your entries?

Send us your entry numbers or your product list. A licensed customs broker tells you what the change means for your goods.

Call (908) 291-8001 or email info@alliedchb.com