Reviewed by Sasha Božič, Licensed Customs Broker

Duty drawback accounting comes down to one rule. Import duty sits in the cost of your inventory, so the refund goes back to the same place: cost of goods sold for goods you have sold, or inventory for goods still on hand. The harder question is timing, meaning when a drawback claim becomes an asset you can put on the balance sheet.
This guide walks through the treatment under US GAAP, the journal entries from import to refund, and where IFRS lands. It is general guidance. Agree the specifics with your auditor before you book the first claim.
Under ASC 330, inventory cost includes every cost needed to bring goods to their present location and condition. Customs duty meets that test, so it is capitalized into inventory when you import and flows to cost of goods sold when the goods are sold.
Many companies book duty as a separate operating expense or bury it in freight. Correct that before you claim drawback, since the credit needs a clean place to land and your gross margin is already off.
Someone has to match the export records to the import entries before a claim exists, and CBP has to accept it before the refund is reasonably assured. PwC's guidance on tariff accounting says it will be difficult to show a valid receivable exists before three things happen:
Companies with an established compliance history in an approved drawback program may be able to recognize the receivable as the related goods are exported. That usually means a claimant with drawback privileges, a track record of accepted claims, and a process that produces the claim amount reliably.
In practice, most first-time claimants book the receivable when the claim is filed and accepted. RTI International Metals, for example, disclosed in its 10-K that it recognized a credit to cost of sales when its agent notified it that a claim had been filed.
Take a company that imports $500,000 of components carrying a 25% Section 301 duty, then exports 40% of them in finished products and files for drawback.
1. Import the goods and pay duty.
2. Sell and export the finished products. The duty on the exported share moves to cost of goods sold with the rest of the inventory cost.
3. File the claim and have CBP accept it. Drawback is 99% of the eligible duty, or $49,500.
4. Receive the refund.
5. Record the provider's fee. If a drawback provider works on a share of the refund, record the fee as its own expense when it is earned. Ask your auditor whether they want it shown separately or netted.
With accelerated payment, CBP pays the claim before it liquidates, often within weeks of filing. The claim still liquidates later. If CBP adjusts the amount at liquidation, book the difference in that period against cost of goods sold. Accelerated payment requires a bond, and its cost belongs with your drawback program costs.
IAS 2 defines the cost of purchase as the purchase price plus import duties and other taxes, other than those the entity can later recover from the taxing authority. Under IFRS, duty you expect to recover through drawback can be left out of inventory cost from the start. In practice the result is close to the GAAP answer: the recovered duty ends up reducing cost of sales, and the judgment sits in how confident you are of recovery when you book it.
Caspian files the claims, and the claim dashboard shows each claim's filing date, amount, CBP status and payment date, so the receivable and the true-ups tie to CBP's records. For the program itself, start with our duty drawback guide or see our duty drawback services.
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