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System MaintenanceACECSMS #67888442 ·

CBP held ACE maintenance window in late February 2026

CBP title: ACE Production Standard Invasive Maintenance from 10:00 p.m. ET Saturday, February 28, 2026 to 4:00 a.m. ET Sunday, March 1, 2026

This message is from February 27, 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 February 28, 2026 to 4:00 a.m. ET on March 1, 2026. This affected ACE availability for filers during that overnight window.

What is Allied's position?

This was a routine overnight maintenance window that has already passed. It required no action from clients then and has no bearing on entries today.

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, February 28, 2026 to 4:00 a.m. ET Sunday, March 1, 2026.

Read the official CSMS #67888442

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