Customs penalties, fines, and prior disclosure: Parts 162, 171, and 111

Penalties are where the whole compliance system has teeth, and the exam tests them because the numbers are exact and the logic is layered: what was the violation, how culpable was the party, was there a prior disclosure, and what mitigation applies. The rules span 19 USC 1592 (the statute), 19 CFR Part 162 (penalty assessment and prior disclosure), and 19 CFR Part 171 (mitigation and petitions), with a separate broker penalty track in Part 111. This guide walks that chain in order. For where these Parts sit, see the corpus map.

What triggers a section 1592 penalty?

The workhorse civil penalty statute is 19 USC 1592. It applies when a person, by fraud, gross negligence, or negligence, enters or introduces (or attempts to, or aids) merchandise into the United States by means of a material false statement, document, or act, or a material omission. Two points define the reach:

• Materiality, not just error. The false statement or omission has to be material, meaning it has the potential to affect CBP’s decisions (classification, value, admissibility, duty).
• No loss of revenue is required. A violation can exist even when the government lost no duty, because the harm is the false statement itself. That is why the penalty formulas below have a separate branch for cases with no revenue loss.

How does culpability set the penalty amount?

Section 162.73 grades the maximum penalty by the party’s level of culpability. This ladder is one of the most-tested tables in the enforcement category:

Culpability	Maximum penalty, with a loss of revenue	Maximum penalty, no loss of revenue
Negligence	Lesser of the domestic value or 2 times the lawful duties, taxes, and fees of which the U.S. was deprived	20 percent of the dutiable value
Gross negligence	Lesser of the domestic value or 4 times the lawful duties, taxes, and fees	40 percent of the dutiable value
Fraud	The domestic value of the merchandise	The domestic value of the merchandise

Read the ladder as escalating exposure: negligence caps at roughly twice the duty loss, gross negligence at four times, and fraud at the full domestic value of the goods regardless of duty loss. The government bears the burden of proving fraud and gross negligence; for negligence, the party bears the burden of proving it exercised reasonable care.

What is a prior disclosure, and how much does it save?

Prior disclosure is the single largest lever a party has, and 162.74 defines it. A valid prior disclosure is a disclosure of the circumstances of a 1592 (or 1593a drawback) violation made before, or without knowledge of, the commencement of a formal investigation, together with a tender of any actual loss of duties, taxes, and fees.

To be valid, the disclosure must identify the class or kind of merchandise, the affected entries (by number or by port and approximate dates), the material false statements or omissions and how they occurred, and the true and correct information (or a commitment to provide it, typically within 30 days). CBP records a “commencement of a formal investigation” as the date it wrote down that facts caused it to believe a possible violation existed; disclosing after that date, with knowledge of it, forfeits the benefit.

The benefit is dramatic, and it too is graded by culpability:

Culpability	Penalty with a valid prior disclosure
Negligence	Interest on the lost duties only, from the date of liquidation, at the section 6621 rate
Gross negligence	Interest on the lost duties only, same basis
Fraud	1 time the lawful duties, taxes, and fees of which the U.S. was deprived (or 10 percent of the dutiable value if there was no loss of revenue)

So for a negligent or grossly negligent violation, a valid prior disclosure can reduce a penalty that might have been double or quadruple the duty loss down to interest alone. For fraud it collapses a domestic-value penalty to a single duty-loss multiple. This is why compliance programs are built to catch and disclose errors quickly.

How does a party contest or reduce a penalty? (Part 171)

When CBP issues a penalty, the party is not out of options. Part 171 governs petitions for relief. The sequence:

• CBP issues a pre-penalty notice (for larger 1592 cases) stating the alleged violation, the culpability level, and the proposed amount, giving the party a chance to respond before the penalty is issued.
• CBP then issues the penalty notice.
• The party may file a petition for relief under Part 171, asking CBP to cancel or mitigate the penalty. The petition presents the facts and any mitigating factors.
• If the first decision is unfavorable, the party may file a supplemental petition for further review.

Part 171 also publishes the mitigating and aggravating factors CBP weighs, such as cooperation, a demonstrated good-faith compliance effort, prior good record, and prompt remedial action on the mitigating side, and prior violations or obstruction on the aggravating side. Prior disclosure, discussed above, is the strongest mitigating posture of all because it is baked into the statutory penalty cap rather than left to discretion.

How are brokers penalized differently?

A licensed broker sits under a second, parallel track. Beyond any 1592 exposure a broker shares with an importer, Part 111 lets CBP penalize the broker as a broker. Under 111.91, the monetary penalty for the conduct grounds in 111.53 (violating a CBP law, aiding another’s violation, false statements in filings, and the rest) may not exceed an aggregate of $30,000. CBP can pursue that monetary penalty instead of suspending or revoking the license, and it is mitigated through the same Part 171 petition process. So a single bad entry can generate a 1592 penalty against the importer and a separate Part 111 penalty against the broker who filed it.

Practicing penalties for the exam

Penalty questions reward a decision tree, not memorization alone: identify the culpability level, check for loss of revenue, apply the 162.73 cap, then ask whether a valid prior disclosure under 162.74 changes the number, and remember that brokers carry the separate 111.91 cap. Drill the citations in the navigation trainer, place Parts 162 and 171 beside recordkeeping and entry in the corpus map, and test recall with the free practice test. For the recordkeeping penalties that feed into this system, see the recordkeeping guide, and for the broker-conduct side, the Part 111 compliance guide.

Sources: 19 USC 1592; 19 CFR Part 162, sections 162.73 and 162.74; 19 CFR Part 171 (petitions for relief and mitigation guidelines); and 19 CFR 111.53 and 111.91, as published on the Legal Information Institute mirror of the CFR (law.cornell.edu/cfr/text/19) and the U.S. Code (law.cornell.edu/uscode/text/19), cross-checked against the eCFR (ecfr.gov/current/title-19), reviewed 2026-07-24. Penalty formulas and mitigation rules change; confirm the current text before relying on it.