How the U.S. “First Sale Rule” Became a Strategic Tool for Lowering Import Tariffs
What Is the “First Sale Rule”?
In an era of volatile U.S. tariffs on imported goods, companies are increasingly turning to an old but powerful tool: the First Sale Rule.
First introduced in 1988, the rule allows importers to declare the customs value of goods based on the first transaction price in a multi-tiered supply chain, rather than the final price paid by the U.S. buyer. This often results in significant tariff savings — and has been dubbed a “secret weapon” by CNBC and other U.S. media.
📌 CNBC reported in May 2025: “A little-known provision in U.S. customs law — the First Sale Rule — is helping some companies reduce their tariff burden at a time when trade policy is increasingly unpredictable.”
[Source: CNBC – “U.S. importers are using an obscure rule to slash tariff costs”]
How It Works
In a typical global trade structure, goods may be sold multiple times before reaching the final U.S. buyer:
Factory in China → Trading Company in Hong Kong → U.S. Importer
Without the First Sale Rule, the U.S. importer must declare the customs value based on the price paid to the trading company (which includes markups and overhead).
But with this rule, importers may declare the value based on the original transaction price between the factory and the middleman, provided the sale meets strict compliance conditions.
✅ Example:
| Transaction | Price |
|---|---|
| Factory → Trading Company | $5/unit |
| Trading Company → U.S. Importer | $7/unit |
If the importer uses the First Sale Rule, the declared customs value is $5, not $7 — reducing the basis for calculating tariffs.
Why It Matters in Today’s Trade Climate
The U.S. has significantly raised tariffs on many Chinese-origin goods in recent years, especially under Section 301. Tariffs on certain goods — like steel-based appliances or electronics — have surged up to 25%-50%.
By using the First Sale Rule:
- Companies can legally reduce duty payments
- Enhance supply chain transparency and documentation
- Stay cost-competitive despite tariff hikes
A 2024 PwC report noted that companies employing First Sale pricing saved millions in duties, especially in industries like fashion, electronics, and consumer goods.
Compliance Requirements
Using the First Sale Rule isn’t as simple as choosing a cheaper price. Importers must prove:
- Bona Fide Sale: There must be a legitimate sale between the factory and the intermediary.
- Complete Documentation: Contracts, purchase orders, invoices, payment records, and shipping documents must be retained.
- Independence of Transactions: The sale must occur “at arm’s length” and be free of manipulation.
The U.S. Customs and Border Protection (CBP) still scrutinizes these entries, so legal and logistical support is essential.
Who Should Consider It?
- U.S. Importers using middlemen or trading companies in Asia
- Brands sourcing via global buying offices
- Freight forwarders or customs brokers advising clients on duty mitigation
If you’re currently paying duties based on the final invoice from a trading company or parent supplier, you may be overpaying — and the First Sale Rule could be your answer.
Final Thoughts
In a world of increasing geopolitical tension, fluctuating tariffs, and rising logistics costs, revisiting old but legal customs strategies like the First Sale Rule can deliver real value. As CNBC aptly described, it’s a “secret weapon” — but only for those who understand how to use it properly.
If you’re interested in learning how your supply chain might benefit from the First Sale Rule, contact our team of compliance experts and international freight advisors at Linkway Freight Limited.
