ACE Certification Environment: Extended Invasive Maintenance Window – October 21, 2026
CBP has scheduled an extended invasive maintenance window for the ACE Certification environment on October 21, 2026, from 5:00 PM to 9:00 PM ET. During this window, ACE Certification testing and related system functions will be unavailable.
We treat invasive maintenance windows as a prompt to verify that no time-sensitive Certification-environment testing is queued for that evening. Our view is that production filing is unaffected, but any broker or software vendor relying on the Certification environment for pre-deployment validation should account for the four-hour outage in their project schedules.
AI-assisted summary of a published CBP, USITC or Federal Register notice, with JFS CHB's position on it. For awareness only — always verify against the official notice before acting. Our position is general commentary on a published notice, not legal advice and not a binding opinion on any shipment. Nothing here creates a broker-client relationship or a duty of care, and it is not a substitute for a ruling, a licensed review of your facts, or the official notice itself.