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System MaintenanceACECSMS #68368187 ·

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 18, 2026, to 4:00 a.m. ET Sunday, April 19, 2026

This message is from April 16, 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 Saturday, April 18, 2026, to 4:00 a.m. ET Sunday, April 19, 2026. This was a scheduled system outage affecting ACE availability during that window. The message did not describe any other impact.

What is Allied's position?

This was a routine, time-limited maintenance window that has already passed. It did not require any action from clients then and has no bearing on entries filed now.

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, April 18, 2026, to 4:00 a.m. ET Sunday, April 19, 2026.

Read the official CSMS #68368187

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