Duty Drawback Program: Types, 99% Refund, and Filing Rules

Key Points

• The duty drawback program under 19 U.S.C. 1313 refunds up to 99 percent of duties, taxes, and fees paid on imported merchandise that is subsequently exported or destroyed.
• There are three main claim types: manufacturing drawback, unused merchandise drawback, and rejected merchandise drawback, each with its own eligibility rules.
• A claimant must file within five years of the date of importation of the goods on which the duties were paid.
• Section 301 duties are drawback-eligible; Section 232 duties are excluded from drawback by the underlying proclamations and are not recoverable through a drawback claim.
• Claims are filed electronically through ACE under 19 CFR Part 190, and assembling a complete claim typically requires a specialist drawback broker or trade attorney, whose fees commonly range from a contingency percentage of the refund to flat hourly rates.

On this page

1. What the duty drawback program is and how it works
2. The three types of drawback claims
3. The 99 percent refund rule and substitution drawback
4. The five-year filing window
5. Records you must keep
6. Section 232 vs. Section 301: the eligibility difference that importers miss
7. Who files, what it costs, and how claims are submitted
8. What importers should do
9. Key references

The duty drawback program is a legal mechanism that allows importers, manufacturers, and exporters to recover up to 99 percent of the customs duties, taxes, and fees paid on imported merchandise when that merchandise, or a commercially interchangeable substitute, is later exported from or destroyed within the United States. It is one of the most underused recovery tools in trade compliance, and it applies across a wide range of industries and supply chains.

The links in this article go to the primary documents: the statute, the implementing regulations, and the official agency pages themselves. Read the source.

What the duty drawback program is and how it works

Drawback is authorized by 19 U.S.C. 1313 and implemented through 19 CFR Part 190. At its core, drawback is a conditional refund: duties are paid at importation, and if the goods meet the statutory criteria when they leave or are destroyed, most of those duties come back.

The program exists because Congress recognized that taxing goods destined for export imposes a competitive disadvantage on American manufacturers and traders. Drawback removes that disadvantage by treating the United States as a pass-through for goods that do not ultimately enter U.S. commerce.

The Trade Facilitation and Trade Enforcement Act (TFTEA), which amended 19 U.S.C. 1313 substantially, modernized substitution drawback and streamlined filing. The TFTEA rules, codified in 19 CFR Part 190, are the operative framework today.

The three types of drawback claims

Manufacturing drawback (19 U.S.C. 1313(a) and (b))

Manufacturing drawback applies when imported merchandise is used in the manufacture or production of articles that are subsequently exported or destroyed under CBP supervision. There are two subtypes:

• Direct identification manufacturing drawback (1313(a)): The actual imported merchandise is incorporated into the exported article. The importer must be able to trace the specific imported goods through the manufacturing process.
• Substitution manufacturing drawback (1313(b)): Commercially interchangeable merchandise of the same kind and quality may be substituted for the imported merchandise. The substituted merchandise must be used in manufacture within the same eight-digit HTS subheading, and the refund is capped at 99 percent of the lesser of the duty paid on the imported goods or the duty that would have applied to the substituted goods.

Manufacturing drawback is common in chemicals, food processing, textiles, electronics, and petroleum refining, where fungible inputs move through production lines without physical separation by origin.

Unused merchandise drawback (19 U.S.C. 1313(j))

Unused merchandise drawback applies when imported goods are exported or destroyed without being used within the United States. Like manufacturing drawback, this type also has a direct identification path and a substitution path. Under substitution unused merchandise drawback, commercially interchangeable goods sharing the same eight-digit HTS classification may be substituted for the originally imported merchandise. The 99 percent cap on the lesser-of-duty calculation applies to substitution claims here as well.

Unused merchandise drawback is common in retail, distribution, and e-commerce, where returned goods or overstock are re-exported rather than sold domestically.

Rejected merchandise drawback (19 U.S.C. 1313(c))

Rejected merchandise drawback is available when imported merchandise does not conform to sample or specification, was shipped without the consent of the consignee, or is otherwise defective at the time of importation. The goods must be exported or destroyed under CBP supervision. This type of drawback is narrower and fact-specific: the non-conformity must have existed at the time of importation, not arisen afterward.

The 99 percent refund rule and substitution drawback

No drawback claim ever results in a full 100 percent refund. The statute expressly limits recovery to 99 percent of the duties, taxes, and fees paid. The one-percent retention is not negotiable and applies to all claim types.

For substitution claims, whether manufacturing or unused merchandise, an additional cap applies: the refund cannot exceed 99 percent of the lesser of (1) the duties actually paid on the imported goods, or (2) the duties that would apply to the substituted exported goods. This prevents claimants from profiting by substituting lower-duty goods while claiming a refund based on higher-duty imports.

The "same eight-digit HTS subheading" requirement for substitution is a post-TFTEA rule. Before TFTEA, substitution used a more lenient "commercially interchangeable" standard that could span subheadings. Today, both criteria must be satisfied: the goods must be commercially interchangeable and share the same eight-digit HTS classification. Confirming the correct classification before building a drawback program is therefore a threshold step. CBP's online HTS is available at hts.usitc.gov.

The five-year filing window

Under 19 U.S.C. 1313, a drawback claim must be filed within five years from the date of importation of the merchandise on which the duties were paid. This is a hard deadline. CBP does not have discretion to extend it, and late claims are rejected without refund.

Practically, this means the clock starts running the moment goods enter the United States, not when they are exported or destroyed. An importer who exports goods in year four of that window has only one year left to file the claim. Companies that have not established a drawback program often discover they have forfeit significant recoveries simply by missing this window while completing other operational priorities.

Good recordkeeping practices, discussed below, are essential to meeting this deadline because assembling a claim requires documents that may be years old at the time of filing.

Records you must keep

19 CFR Part 190 specifies the records a claimant must maintain and produce. A complete drawback package typically includes:

• Import entry summaries and CBP Form 7501 data for the underlying imports
• Commercial invoices and bills of lading for both import and export transactions
• Proof of duty payment (the liquidated entry)
• Export documentation: the export entry, shipper's export declaration or electronic export information, and ocean or air bills of lading
• For manufacturing claims: production records, bills of materials, and manufacturing formulas or logs demonstrating that the imported (or substituted) merchandise was used in production
• For destruction claims: CBP Form 3499 or equivalent destruction certificates verified by CBP
• For rejected merchandise: evidence of non-conformance existing at time of importation

Records must generally be retained for three years after the date of payment of the claim, but because claims can be filed up to five years after importation, importers should maintain all supporting documentation for at least seven years from the importation date to be safe throughout the drawback lifecycle.

ACE entry data is a critical source document. Importers who maintain clean, complete ACE records reduce claim-assembly time significantly. See ACE Reports Data Dictionary: What Each Report Field Means for guidance on locating the specific data fields used in drawback reconciliation.

Section 232 vs. Section 301: the eligibility difference importers miss

This is one of the most consequential distinctions in drawback practice, and it catches many importers off guard.

• Section 301 duties are drawback-eligible. Duties collected under Section 301 of the Trade Act of 1974, covering most goods of Chinese origin subject to the four tranches of additional tariffs, can be included in a drawback claim. The 99 percent refund cap applies in the usual way.
• Section 232 duties are not drawback-eligible. The proclamations imposing Section 232 duties on steel and aluminum (and subsequently other covered products) explicitly exclude those duties from drawback. This exclusion is written into the proclamation text itself, not into the general drawback statute. No claim filed against Section 232 duties will be approved, regardless of how well it is documented.

For importers of steel, aluminum, or other Section 232-covered products who also pay Section 301 duties, the drawback claim must carefully separate the two duty components. Only the 301 portion is recoverable. Including 232 duties in a claim will not cause a denial of the entire claim, but it will result in an adjustment that reduces the refund, and errors in this area can complicate the review process.

Understanding how Section 232 duty headings are structured helps in identifying what was paid on which basis. Articles such as 9903.78.02 (Ended): Copper 232 Non-Duty Split Filing Heading illustrate how CBP has used special tariff provisions to track 232 duty components separately in ACE.

Who files, what it costs, and how claims are submitted

Who can file

A drawback claim may be filed by the importer of record, the exporter, or the manufacturer, depending on who paid the duties and who holds the right to the drawback. Rights to drawback can be transferred by written assignment, which allows exporters who did not import the goods to pursue a claim by obtaining an assignment from the importer.

In practice, most claims are assembled and filed by licensed customs brokers who specialize in drawback, or by trade attorneys. The complexity of matching import and export transactions, calculating the lesser-of-duty amount, and preparing the claim package is substantial. Importers attempting to self-file for the first time without specialist help frequently encounter deficiency notices or outright denial due to documentation gaps.

For context on how broker regulations affect who can represent importers before CBP, see 19 CFR Part 111: What Customs Broker Regulations Mean for Importers.

What it costs

Drawback specialists typically charge on one of two models: a contingency fee (commonly 20 to 30 percent of the recovered refund, though rates vary by claim size and complexity) or an hourly or flat-project fee. Neither model is regulated; pricing is market-driven. For large-volume importers with millions of dollars in duty exposure, even after specialist fees the net recovery is substantial. For smaller importers, the cost-benefit calculation depends on the volume and value of eligible transactions.

How claims are filed

All drawback claims are filed electronically through ACE (the Automated Commercial Environment) pursuant to 19 CFR Part 190. Paper filing is no longer accepted for standard claims. Two procedural privileges under Part 190 can accelerate the process:

• Accelerated payment privilege: Claimants who qualify may receive a provisional refund before CBP completes its full review of the claim. This requires prior approval and a bond or other security.
• Waiver of prior notice of intent to export or destroy: Normally, CBP must be given advance notice before goods are exported or destroyed for drawback purposes. An approved waiver eliminates this requirement and significantly reduces operational burden for high-volume drawback programs.

Applications for both privileges are submitted through ACE and are subject to CBP approval. Details on the application process and eligibility criteria are set out in 19 CFR Part 190.

What importers should do

• Audit your import history now. Pull ACE entry summary data for the past four years and identify entries where goods were subsequently exported or destroyed, or where imported inputs entered your manufacturing process before export. The five-year clock is already running.
• Segregate Section 232 and Section 301 duty payments. Before building a claim, confirm which duties on each entry are 301-eligible and which are 232-excluded. Your drawback broker will need this breakdown, and errors here create delays in liquidation.
• Engage a drawback specialist early. The claim-assembly process is document-intensive and time-sensitive. Engaging a specialist before the five-year window closes on your oldest eligible entries preserves your recovery options.
• Establish ongoing recordkeeping procedures. If drawback is a regular part of your trade operation, implement a document retention and transaction-matching protocol at the time of importation rather than reconstructing records years later.

Key references

• 19 U.S.C. 1313 - The duty drawback statute: manufacturing, unused merchandise, and rejected merchandise drawback; the 99 percent refund; the five-year window.
• 19 CFR Part 190 - CBP's implementing regulations: claim procedures, recordkeeping requirements, accelerated payment privilege, waiver of prior notice, and ACE filing requirements.
• Harmonized Tariff Schedule of the United States (USITC) - Official HTS for confirming eight-digit subheading classifications required for substitution drawback.
• CBP Drawback Program page (cbp.gov) - Agency guidance on filing, forms, and program administration.
• Federal Register (federalregister.gov) - Source for TFTEA-implementing rules and any subsequent amendments to drawback procedures.