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System MaintenanceACECSMS #67043654 ·

CBP held a test-system maintenance window in December 2025

CBP title: ACE Certification Standard Invasive Maintenance Window on Wednesday, December 10, 2025, from 5:00 pm to 8:00 pm ET

This message is from December 9, 2025. Later CSMS messages may have changed it. See the latest trade news

What did CBP announce?

CBP announced an ACE Certification Standard invasive maintenance window on December 10, 2025, from 5:00 pm to 8:00 pm ET. This affected the ACE certification (test) environment, not the live production system. The message gave no other details.

What is Allied's position?

This was a routine maintenance notice for CBP's test environment and is now history. It did not affect entries we filed for clients at the time, and no client action was needed then or now.

General information, not legal advice.

What does the CBP message say?

Please be advised there will be an ACE Certification Standard Invasive Maintenance Window on Wednesday, December 10, 2025, from 5:00 pm to 8:00 pm ET.

Read the official CSMS #67043654

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