If you import goods, pay duty on them, and then export those goods or products made from them, you may be leaving money with customs that the law lets you claim back. Duty drawback refunds up to 99 percent of duties, taxes, and certain fees paid on imported merchandise that is later exported or destroyed. Many eligible importers never file.
The three broad kinds of drawback
Unused merchandise drawback covers imported goods exported in essentially the same condition, allowing for changes like testing or repacking that do not alter the product. Manufacturing drawback covers imported materials used to make a new article that is then exported, which is the case for many producers who sell abroad.
Rejected merchandise drawback covers imported goods that were defective, shipped without consent, or did not conform to specifications and are returned to the foreign supplier or destroyed. Each type has its own evidence rules, so the first step in any claim is naming which situation you actually have.
Substitution and why it matters
Modern drawback rules allow substitution in many cases: you can export a commercially interchangeable product and claim drawback on the imported version, instead of proving the exact imported unit was the one shipped out. That change made drawback practical for businesses that hold inventory in common stock rather than segregated lots.
Substitution is not unlimited. The exported and imported goods must meet the interchangeability standard for their classification, and the timing windows still apply. Businesses that plan for drawback keep import and export records linked from the start instead of reconstructing the link years later under a deadline.
Records decide whether you get paid
A drawback claim lives or dies on documents: entry summaries showing duty paid, proof of export such as transport records, and inventory or production records connecting imports to exports. Customs can audit claims, and unsupported amounts are denied, sometimes with penalties for careless filings.
Build the file as you go. Save the entry paperwork for every dutiable import, keep export documentation in the same system, and note which products use which imported materials. Companies that treat drawback as a year end scavenger hunt usually recover a fraction of what a tidy operation recovers routinely.
Timing, cost, and whether to file
Claims generally must be filed within five years of import, and export and claim steps have their own related deadlines, so old imports age out quietly. Filing takes specialist work, and many companies use a drawback broker who charges a share of the recovery or a fee. That cost is worth comparing against the duties at stake.
Run the numbers on a single product line first. Add the duties paid on imports that were later exported in a recent year. If the total is small, file the knowledge away. If it is large, and it often is for exporters who never checked, a structured drawback program can become a steady recovery rather than a one time windfall.
Keep reading
Related guides on this site: Foreign Trade Zones Explained: When an FTZ Saves Importers Money Choosing Incoterms: Who Pays, Who Risks, and Where It Changes Hands Answers for teams shipping Shopify orders across borders.
Frequently asked questions
How much duty can drawback refund?
Up to 99 percent of the duties, taxes, and certain fees paid on the imported merchandise. The remaining one percent is retained by the government, and not every fee qualifies, so check the entry types involved.
Do I need to export the exact same units I imported?
Not always. Substitution drawback allows commercially interchangeable goods to be exported in many cases, but the goods must meet the interchangeability rules and all timing and record requirements still apply.
How long do I have to claim drawback?
Generally claims must be filed within five years from the date of import, with related export timing rules. Because old entries age out, regular filing beats occasional large cleanups.
Can a broker file drawback claims for me?
Yes. Many importers use licensed brokers or drawback specialists, often for a fee or a share of the recovery. You remain responsible for the accuracy of the records behind the claim.