Here's a scenario that plays out more often than most importers expect. A shipment arrives at the port. Something gets flagged — a classification discrepancy, a valuation question, a country of origin issue. U.S. Customs and Border Protection detains the goods. Now your products are sitting in a warehouse, your customers are waiting, and nobody at CBP is giving you a clear timeline for resolution.

What do you do next?

A lot of businesses try to handle it themselves, at least initially. They respond to the customs inquiry, submit documentation, explain their position — and sometimes it works out. But often, what felt like a minor administrative matter quietly escalates into a formal penalty, a forfeiture proceeding, or a duty assessment that runs into the hundreds of thousands of dollars.

The difference between those two outcomes — resolved efficiently versus compounded into a serious legal and financial problem — frequently comes down to whether a qualified us customs lawyer was involved early enough to shape the response.

This isn't about fear. It's about knowing when the stakes are high enough that professional legal guidance is worth every dollar.

The Customs Enforcement Landscape Has Changed

If you've been importing goods into the United States for more than a few years, you already know that the trade environment is nothing like it was a decade ago. The Federal Government has become significantly more aggressive in pursuing customs enforcement actions. Tariff structures have shifted dramatically. Section 301 tariffs, anti-dumping and countervailing duties, forced labor laws — these aren't theoretical risks anymore. They're the daily reality for importers across nearly every product category.

CBP's enforcement tools have also expanded. Withhold Release Orders can stop entire categories of goods at the border. Penalty notices can arrive with minimal warning. And when penalties do land, they can be calculated on the transaction value of the goods — not just the duties owed — which means the exposure can be enormous even when the original infraction seemed minor.

In this environment, treating customs compliance as a back-office administrative function is a significant business risk. The companies that navigate this landscape most effectively are the ones that have qualified legal counsel in their corner before a problem develops — not just when they're already in trouble.

What a US Customs Lawyer Actually Does

There's a common misconception that a customs attorney only gets involved when something goes wrong. In reality, the most valuable work often happens upstream — in classification decisions, valuation strategies, country of origin determinations, and compliance program design that prevents problems from occurring in the first place.

Before a Problem Develops

Tariff classification alone is one of the most technically complex areas of customs law. Every product is assigned a Harmonized Tariff Schedule (HTS) code, and that code determines the applicable duty rate. Differences of a single digit in that code can mean wildly different duty obligations — sometimes millions of dollars in difference for high-volume importers.

An experienced us customs lawyer reviews those classifications, identifies opportunities for more favorable determinations that are legally defensible, and structures your import program to minimize exposure while staying firmly within the bounds of the law.

When a Dispute Arises

When CBP questions a classification, challenges a declared value, or disputes a country of origin claim, you typically have a limited window to respond. That response matters enormously. What you say — and what you don't say — shapes the entire proceeding that follows.

A customs attorney who has handled hundreds of these disputes knows exactly how to frame a response, what evidence to submit, and how to negotiate with CBP in a way that protects your interests without unnecessarily antagonizing the agency you'll continue working with for years.

When Litigation Is the Answer

Sometimes disputes can't be resolved administratively. When they can't, they move to the Court of International Trade — a specialized federal court that handles trade and customs cases. Most law firms don't have meaningful litigation experience at this level. Firms that do, like Stein Shostak Shostak Pollack & O'Hara, bring a fundamentally different capability to the table. Having a firm with a real courtroom track record means you're not bluffing when you push back.

Seizures and Penalties: What Importers Get Wrong

Merchandise seizures are one of the most disruptive things that can happen to an import-dependent business. And they happen more often than most people think — not just because of intentional violations, but because customs rules are genuinely complicated and easy to misapply.

When goods are seized, CBP typically sends a Notice of Seizure. At that point, you have several options — including filing a petition for remission or mitigation, which asks CBP to return the goods or reduce the penalty. This process has specific procedural requirements and tight deadlines. Missing them, or filing a poorly structured petition, can foreclose options that would have been available with proper legal guidance.

The same logic applies to penalty notices. When CBP issues a penalty under 19 U.S.C. § 1592, the amount is calculated against the domestic value or transaction value of the goods — which can be staggering. But penalties are often negotiable, especially with a well-structured legal response that demonstrates good faith, identifies mitigating factors, and makes a compelling case for reduction.

This is not the time for a generalist business attorney. It requires someone who speaks CBP's language fluently.

The International Trade Dimension

Customs law doesn't exist in isolation. For most businesses, it intersects with a much broader set of international trade issues — export controls, trade agreements, sanctions compliance, anti-dumping investigations, and the ongoing evolution of tariff policy.

Working with an international trade lawyer who understands both the customs enforcement side and the broader trade policy landscape gives businesses a significant advantage. They can anticipate how regulatory changes are likely to affect your supply chain, identify sourcing strategies that reduce tariff exposure, and structure transactions in ways that are both compliant and commercially advantageous.

In a trade environment that continues to shift rapidly — with new tariffs, new enforcement priorities, and new compliance requirements emerging regularly — that kind of integrated legal perspective is genuinely valuable.

Signs You Should Pick Up the Phone

Not every customs issue requires legal intervention. But here are some clear signals that it's time to involve a us customs lawyer:

You've received a Notice of Seizure or a penalty notice from CBP. You're being audited or are the subject of a focused assessment. CBP has detained your shipment and you're not getting clear answers. You're importing goods subject to Section 301 tariffs, anti-dumping duties, or forced labor restrictions. You've received a prior disclosure recommendation and aren't sure how to handle it. Your customs broker has flagged a potential classification issue and you're not sure of your exposure.

In any of these situations, the cost of legal counsel is almost certainly smaller than the cost of getting it wrong.

Talk to a Customs Attorney Who Has Seen It All

Stein Shostak Shostak Pollack & O'Hara, LLP has been at the center of customs and international trade law for decades. Based in Los Angeles with reach across U.S. ports of entry and connections to international markets, the firm brings deep technical knowledge, real litigation capability, and a reputation earned with both clients and CBP officials.

Whether you're dealing with an active enforcement matter or simply want to make sure your import program is as protected as it can be, the conversation starts with a consultation. Call (213) 630-8888 or visit steinshostak.com to get in touch. When trade moves fast, you need counsel that moves with it.