19 U.S.C. 1313(j) Unused Merchandise Customs Drawback Calculator
Calculates estimated customs duty drawback refund (99% of duties paid) for exported unused imported merchandise.
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. 1313 Customs Drawback Rules
Formula: Drawback Refund = Duties Paid * 0.99
Checks: Positive duties paid amount
Calculated locally in browser memory; nothing leaves your browser.
Deterministic local-first client-side execution. Provided as-is without warranty.