CBP Form 19 Protest Filing Window & Liquidation Auditor
Audits liquidation dates against the 180-day statutory window for filing administrative protests on customs entries.
Notice: engineering verification utility. Use test or de-identified data and verify results independently before relying on them.
How it works
Standard: 19 U.S.C. 1514 / CBP Form 19 Protest Rules
Formula: Protest Deadline = Liquidation Date + 180 Days
Checks: Valid ISO liquidation date format
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