ACE Production Standard Invasive Maintenance — October 24–25, 2026
CBP scheduled standard invasive maintenance on the ACE Production environment from 10:00 p.m. ET Saturday, October 24, 2026, through 4:00 a.m. ET Sunday, October 25, 2026, during which ACE filing capabilities may be unavailable. Entry submissions, ISF filings, and other ACE transactions could experience interruptions during that window.
We treat all invasive ACE maintenance windows as potential filing-deadline risk events and in our practice we front-load submissions scheduled near those hours to avoid system-availability conflicts.
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