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US Tariff Refund After the Supreme Court IEEPA Ruling
Executive Briefing for European Businesses. The recent United States Supreme Court decision invalidating tariffs imposed under the International Emergency Economic Powers Act (IEEPA) has created a tangible recovery opportunity for companies that imported goods into the U.S. during the affected period.
The ruling confirms that the tariffs lacked sufficient congressional authority. While refunds are not automatic, the decision establishes a legal basis for structured US tariff refund claims through:
- Protest procedures before U.S. Customs and Border Protection (CBP);
- Litigation before the United States Court of International Trade (CIT).
For companies with meaningful U.S. import volumes, this is a financial issue, not a theoretical one.
What Determines Whether Recovery Is Possible
The viability of a refund claim depends on four critical factors:
- Who acted as importer of record;
- The liquidation dates of affected entries;
- Whether the 180-day CBP protest window remains open;
- The commercial materiality of the duties paid.
Timing is decisive. The deadline runs from liquidation of each entry, not from the Supreme Court ruling.
For multinational groups, standing and contractual allocation of customs duties frequently determine whether recovery is procedurally achievable.
Why This Requires Structured Legal Strategy
US customs litigation is technical and deadline-driven.
Court of International Trade proceedings are federal litigation with specialised procedural rules.
Refund claims require coordinated analysis of:
- Entry documentation;
- Tariff classifications (HTS codes);
- Payment records;
- Corporate and distribution structures.
For European exporters, recovery often requires coordination between U.S. customs counsel and European commercial advisors.
This is cross-border trade litigation, not administrative correspondence.
Commercial Relevance
Aggregate exposure linked to the invalidated IEEPA tariff regime is estimated in the tens of billions of dollars.
For individual companies, recoverable amounts vary significantly. In some cases they are marginal. In others, they may be strategically significant. The only way to determine relevance is through a targeted customs exposure assessment.
Giambrone & Partners
Giambrone & Partners is a European law firm with offices in France, England, Scotland, Italy, Spain, Tunisia, Morocco and China.
The firm operates a dedicated cross-border litigation team with experience in international trade disputes and customs-related proceedings. We coordinate with specialist U.S. Court of International Trade counsel to structure refund claims and manage cross-border exposure.
Our role is to provide commercially focused, procedural clarity and litigation coordination.
Next Step for Executive Teams
If your company imported goods into the United States under the IEEPA tariff regime, a focused review is advisable. The key questions are straightforward:
- Is recovery still procedurally viable?
- Is the potential refund commercially material?
- Is the corporate structure aligned with standing requirements?
A structured assessment now avoids lost opportunity later.
For confidential evaluation of potential US tariff refund claims and Court of International Trade litigation strategy, contact the cross-border trade litigation team at Giambrone & Partners.