Top Mistakes Importers Make When Clearing U.S. Customs; and How to Avoid Them

1. INTRODUCTION

U.S. import compliance has become more complex, more data driven, and more heavily enforced over the past several years. Importers are operating in an environment shaped by trade remedies, forced labor enforcement, national security reviews, and increasing use of post entry audits. Small errors that once resulted in delays or minor corrections can now trigger penalties, cargo holds, or formal investigations.

Mistakes in customs clearance are rarely intentional. Most arise from incomplete knowledge of regulatory obligations, poor internal controls, or over reliance on transactional processes rather than compliance programs. These gaps expose importers to financial risk, operational disruption, and reputational harm. Understanding where errors most commonly occur is a critical first step toward reducing exposure and improving clearance outcomes.

2. REGULATORY OR POLICY CONTEXT

The legal foundation for U.S. import compliance is established under the Tariff Act of 1930, as amended, and administered by U.S. Customs and Border Protection under Title 19 of the Code of Federal Regulations. Importers of record are legally responsible for the accuracy of entry data, payment of duties, and compliance with all applicable laws, regardless of whether a broker or third party prepares the entry.

In recent years, CBP has expanded its enforcement focus through programs such as Importer Self Assessment, Centers of Excellence and Expertise, and enhanced audit activity. Interagency coordination with Department of Homeland Security, Office of the United States Trade Representative, Food and Drug Administration, and U.S. Department of Agriculture has further increased scrutiny of import transactions, particularly in regulated or high risk sectors.

3. WHAT CBP OR REGULATORS EXPECT

CBP consistently communicates that importers must exercise reasonable care in meeting their compliance obligations. In practice, this expectation includes the following elements:

• Accurate tariff classification supported by product descriptions and technical documentation
• Correct country of origin determination based on applicable rules
• Proper customs valuation, including assists, royalties, and related party considerations
• Timely filing of complete and accurate entry data
• Retention of records for the required statutory period
• Internal procedures that demonstrate awareness of applicable trade laws

CBP does not expect perfection, but it does expect importers to understand their supply chains, maintain controls, and correct errors when identified.

4. COMMON COMPLIANCE GAPS

Based on audit findings, enforcement actions, and industry experience, the following compliance gaps appear most frequently:

• Misclassification due to reliance on supplier descriptions rather than tariff analysis
• Incorrect country of origin declarations, particularly in multi country manufacturing scenarios
• Undervaluation resulting from omitted assists, tooling, or engineering costs
• Failure to identify goods subject to trade remedies, including Section 301 or Section 232 measures
• Inadequate documentation to support free trade agreement claims
• Lack of written compliance procedures or training for internal staff

These issues often compound over time, increasing liability as errors repeat across multiple entries.

5. HOW S. J. STILE ASSOCIATES HELPS

S. J. Stile Associates supports importers through a compliance focused advisory approach rather than transactional processing alone. Our role is to help clients understand their responsibilities and align their internal practices with regulatory expectations.

This includes reviewing classification and origin determinations, assisting with valuation analysis, identifying trade program applicability, and preparing clients for audits or inquiries. By emphasizing documentation, consistency, and proactive review, we help importers reduce risk while maintaining efficient clearance operations.

6. FREQUENTLY ASKED QUESTIONS

Who is legally responsible for customs errors, the importer or the broker?

The importer of record is legally responsible, even when a licensed customs broker prepares the entry.

Can prior entries be corrected if an error is discovered?

Yes. CBP provides mechanisms such as post summary corrections and prior disclosures, depending on timing and circumstances.

Does CBP audit small and mid sized importers?

Yes. Audit selection is risk based and not limited by company size or import volume.

Are free trade agreement claims automatically accepted?

No. Importers must maintain documentation to substantiate origin claims and provide it upon request.

How long must import records be retained?

Most import records must be retained for at least five years from the date of entry.

7. ReferencesU.S. Customs and Border Protection, Informed Compliance Publications

https://www.cbp.gov/trade/rulings/informed-compliance-publications

Title 19, Code of Federal Regulations

https://www.ecfr.gov/current/title-19

CBP Reasonable Care Guidance

https://www.cbp.gov/trade/programs-administration/informed-compliance-publications/reasonable-care

Office of the United States Trade Representative, Trade Remedies

https://ustr.gov/issue-areas/enforcement/section-301-investigations

Department of Homeland Security, Trade Enforcement Overview

https://www.dhs.gov/tradeU.S. Department of Justice, Criminal Division, Trade Fraud Initiative
https://www.justice.gov/criminal-fraud/trade-fraud

U.S. Customs and Border Protection, Enforce and Protect Act
https://www.cbp.gov/trade/enforce-and-protect-act

U.S. Customs and Border Protection, Reasonable Care Guidance
https://www.cbp.gov/trade/rulings/informed-compliance-publications

U.S. Department of Homeland Security, Trade Enforcement Overview
https://www.dhs.gov/trade

Office of the U.S. Trade Representative, Trade Remedy Enforcement
https://ustr.gov

8. Final Thoughts

Most customs compliance failures stem from preventable gaps in knowledge, documentation, or process. As enforcement tools become more sophisticated, importers must move beyond reactive corrections and adopt structured compliance practices. Understanding common mistakes and addressing them early remains one of the most effective ways to protect operations, finances, and long term supply chain continuity.

The Stile Associates Advantage

• More than 55 years of continuous industry experience
• Family leadership with modern trade vision
• Licensed Customs Brokers and compliance professionals
• CTPAT certified supply chain security
• Full service customs and logistics solutions
• Technology driven visibility and control
• Dedicated, personalized client service
• Nationwide U.S. coverage with global support

Choosing S.J. Stile Associates means partnering with a customs broker that understands the realities of today’s trade environment and is fully invested in protecting your business.

Contact S.J. Stile Associates today to learn how we can strengthen your compliance posture and streamline your supply chain.

Final Call to Action:

Ready to take control of your shipping costs?

Let’s talk. Contact Stile Associates for a free consultation and let our experts audit your current process, to help you streamline your operations, stay compliant, and save money.

Choose Stile, Your Smartest Move in Global Trade

Whether you’re shipping across the country or across continents, Stile Associates is your strategic partner for building a smarter, more resilient supply chain.

Since 1968, we’ve been delivering peace of mind and performance. Let’s take your logistics to the next level together.

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