When CBP issues a monetary penalty — for importing counterfeit goods, misclassification, a currency seizure, or any other customs violation — most people focus on the immediate decision: pay it, petition to reduce it, or ignore it. Ignoring it is the worst choice available, and not just because the debt persists. CBP has a direct path to collecting unpaid penalties through the federal government’s own payment systems, and many people discover this only when their tax refund disappears.
How CBP Collects Unpaid Penalties
Once a CBP penalty is assessed and goes unpaid past the response deadline, CBP can refer the debt to the U.S. Department of the Treasury for collection. Treasury administers the Treasury Offset Program (TOP), which intercepts federal payments owed to debtors and redirects them to satisfy outstanding debts. For most individuals, the most visible impact is the interception of a federal income tax refund — but TOP’s reach extends further:
- Federal income tax refunds
- Social Security benefit payments
- Federal retirement payments
- Federal vendor payments
- Certain federal grants and reimbursements
In other words, any money the federal government owes you can be intercepted to satisfy a customs debt — without a lawsuit, without a judgment, and without additional warning once the debt has been referred. The referral can happen even if you live outside the United States, and even if you were unaware that the penalty was assessed (though lack of notice may provide a constitutional due process basis to challenge the collection in some circumstances).
Joint Filers: The Injured Spouse Claim
If you file a joint federal tax return and only one spouse owes the customs debt, the entire refund is potentially subject to offset — including the portion attributable to the non-debtor spouse’s income and withholding. The non-debtor spouse can protect their share by filing an Injured Spouse Claim and Allocation (IRS Form 8379) with their tax return. This allocates the refund between spouses and limits the offset to the debtor spouse’s portion. If a joint refund has already been intercepted, the injured spouse claim can be filed after the fact to request return of the non-debtor’s share.
What Triggers Referral to Treasury
CBP can refer a customs debt for TOP collection once it is deemed “legally enforceable” — meaning the penalty has been assessed, the response period has expired, and the debt has not been resolved through payment, petition, or other administrative process. Common triggers include:
- Failure to respond to a penalty notice within the 30-day response window
- Failure to pay a mitigated penalty after a petition decision
- Unpaid fines under 19 USC 1526 for counterfeit import violations, 19 USC 1592 for fraud and negligence, or any other customs penalty statute
- Unpaid promissory notes or debit vouchers related to customs violations
Once the debt is referred, CBP does not need to obtain a court judgment before intercepting payments. The offset happens administratively, and notice is typically provided only after the fact — you discover the interception when your refund does not arrive.
Beyond Tax Refund Interception: Federal Lawsuit and Judgment
TOP collection is not the only tool available to CBP for unpaid penalties. If the debt remains unresolved after offset attempts, CBP can refer the matter to the U.S. Attorney’s Office for civil collection proceedings in federal court. A federal judgment against you enables the government to:
- Place liens on real property
- Garnish wages
- Levy bank accounts
- Seize other assets to satisfy the judgment
Federal judgments also accrue post-judgment interest and can remain enforceable for decades. The longer an unpaid customs penalty sits without resolution, the more difficult and expensive it becomes to address.
The Collection Notice: What CBP Sends and What It Means
Before referring a debt to Treasury, CBP typically sends a collection notice outlining three options:
- Pay in full — resolves the debt immediately but at the full assessed amount
- Voluntary repayment agreement — an installment plan that satisfies the debt over time while avoiding aggressive collection action
- Dispute the debt — available only if the penalty was issued in error, the amount is incorrect, or there is a procedural defect in the assessment
These options are limited because by the time a collection notice arrives, the standard petition and mitigation process has typically already closed. The 30-day window to file a petition for remission or mitigation runs from the original penalty notice — not the collection notice. If that window was missed, the administrative remedies that could have reduced the penalty significantly are no longer available in the ordinary course.
This is the core reason acting on a penalty notice immediately — before it becomes a collection matter — is so important. A petition filed within 30 days of the original notice can reduce a penalty by 50% to 90% or eliminate it entirely in the right circumstances. A collection notice that arrives months later offers none of those options.
Can an Offer in Compromise Help at the Collection Stage?
It may be possible to submit an offer in compromise under 19 USC 1617 even after a debt has been referred for collection, proposing that CBP settle for less than the full amount. This is an untested path in the collection context, and CBP is unlikely to accept a settlement offer on a debt it believes is fully collectible through TOP or federal judgment. The fact that the agency has already initiated collection suggests it views the debt as enforceable and is willing to pursue it.
That said, in cases of genuine long-term financial hardship — where the debtor has no federal payments to intercept and limited assets subject to judgment — an offer in compromise may be worth exploring with legal counsel as part of a broader resolution strategy. It is not a reliable first resort, but it is a tool that exists.
Adjusting Withholding: A Limited Tactical Option
One tactic sometimes discussed is adjusting federal tax withholding so that no refund is owed at tax time — eliminating the asset that TOP would otherwise intercept. If there is no refund to offset, that particular collection mechanism is neutralized.
This approach has real limitations. It does not reduce or eliminate the underlying debt — it only removes one collection vector temporarily. The debt continues to accrue, remains subject to federal lawsuit and judgment, and may be collected through other federal payments as your circumstances change. It is also not permanent — a change in income, tax situation, or filing status could result in a refund in future years that is immediately subject to offset.
Withholding adjustment should be considered a short-term tactical measure while a longer-term resolution strategy is pursued — not a substitute for addressing the underlying debt.
What Happens If the Debt Is Discharged Without Collection
If a customs debt is written off or discharged by the government without being fully collected — which can happen in cases of financial hardship or after the statute of limitations for collection expires — the forgiven amount may be reported to the IRS as cancellation of debt income, potentially increasing your tax liability in the year of discharge. This is an additional reason to resolve customs penalties proactively rather than waiting for them to expire or be written off.
The Right Time to Act Is Before Any of This Happens
Every stage of escalation — from penalty notice to collection notice to TOP referral to federal lawsuit — reduces your options and increases what you ultimately pay. The 30-day window after the original penalty notice is the best opportunity to address a customs penalty: the mitigation guidelines are favorable, the FP&F officer has broad discretion to reduce or cancel the penalty, and filing a petition costs nothing beyond attorney time.
If you have already received a collection notice or your tax refund has already been intercepted, options are more limited but not exhausted. Great Lakes Customs Law has handled customs penalty matters at every stage — from initial petition through collection defense. Call us at (734) 855-4999 or contact us online for a free case review.