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Duty Drawback Audit Trail and CBP Review Guide

An audit-ready drawback claim should explain every dollar. The record should connect the claim line to import duty paid, the drawback provision, the export or destruction event, matching method, calculation, source documents, reviewer approval, and filing status.

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What the audit trail should answer

CBP review questionEvidence to preserve
What import paid the duty?Entry summary, line item, duties, taxes, fees, Chapter 99 and Chapter 1-97 HTS.
What export or destruction supports the claim?Export invoices, bills of lading, AES or logistics records, destruction notices and certificates.
Which provision applies?Unused, manufacturing, substitution, direct identification, rejected merchandise, or petrochemical analysis.
How was the amount calculated?Duty allocation, quantity, value, matching method, caps, exclusions, recovered material values where relevant.
Who reviewed the claim?Licensed customs broker review where applicable, internal approval, exception resolution, filing history.
Can the claim be reproduced later?Source links, versioned files, data transformations, and calculation logs.

Common audit gaps

  • Export evidence is not tied to the imported SKU or HTS
  • Units of measure do not match the entry or claim method
  • Product names differ across ERP, broker, and logistics systems
  • Claim-right waivers are missing or incomplete
  • Manufacturing records do not support yield, bill of material, or receipt assumptions
  • Rejected or destroyed merchandise lacks required notice and proof
  • Chapter 99 trade remedy lines are disconnected from Chapter 1-97 lines

Pax approach

Pax treats auditability as part of claim creation, not a cleanup task after filing. The platform preserves the source data, flags missing support, records reviewer decisions, and keeps the claim lineage visible to trade compliance, supply chain, and finance teams.

Ready to find out what you've been missing? Book a call with the Pax team.

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Ready to find out what you've been missing? Book a call with the Pax team.

Talk to an expert

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