# The first sale rule: a legal way to lower your dutiable value | LandedWatch

Source: https://landedwatch.com/blog/first-sale-rule-cut-dutiable-value-2026-10-06/

**Short answer:** The first sale rule lets you declare the price the factory charged your middleman, not the marked-up price you paid the middleman, as the value CBP uses to calculate duty. If your supply chain has two sales before the goods reach the US, and the paperwork proves it, you can legally cut your dutiable value by the middleman margin, often 15 to 30 percent.

## What the first sale rule actually says

Most importers assume duty is calculated on what they paid. Under the first sale rule, when goods change hands twice before import, a factory sells to a trading company, the trading company sells to you, CBP allows the dutiable value to be the first sale price, provided the goods were clearly destined for the United States at the time of that first sale.

This is not a loophole. It is a long-standing valuation principle recognized by CBP, and it exists because the law cares about the value of the goods themselves, not the layers of distribution on top. The key phrase in every ruling is "clearly destined for export to the United States," which is where most claims succeed or fail.

## The paperwork CBP wants to see

A first sale claim lives or dies on documentation. CBP expects the purchase order and commercial invoice for both sales, proof of payment for both transactions, and evidence that the factory knew the goods were headed to the US when it sold them to the middleman. That last piece is the one importers most often lack.

Practical tip: build the paper trail before you need it. Ask your trading company for factory invoices as a matter of routine, keep wire transfer records matched to invoices, and make sure purchase orders reference the US destination. Reconstructing this after CBP asks is painful and sometimes impossible.

## When the savings are worth the effort

Do the rough math before investing in a first sale program. If your middleman margin is 20 percent and your duty rate is 25 percent, declaring the first sale price cuts your duty bill by roughly a fifth. On a million dollars of annual imports, that is real money. On fifty thousand, the compliance cost may exceed the savings.

The rule also pairs well with other valuation strategies. Importers who already manage assists, packing costs, and related-party pricing often find first sale is the largest remaining lever. If you are only now looking at valuation, start with a single product line, prove the documentation works, then expand.

## Common mistakes that kill a first sale claim

The most common failure is related parties without arm's length pricing. If your "trading company" is your own Hong Kong subsidiary and the transfer price is not defensible, CBP will reject the first sale value. Related-party first sale claims need transfer pricing support, not just invoices.

The second failure is the destination test. If the factory sold goods to a distributor with no knowledge they would end up in the US, there is no first sale to the United States. Vague "sold to distributor" paperwork does not satisfy CBP. The factory's invoice or order acknowledgment should reference the US buyer or US destination.

## How to start

Start with one SKU family and one trading partner. Gather both sets of invoices, map the money flow, and check the destination evidence. If the chain is clean, have your customs broker or trade counsel review it before you declare the lower value. Most brokers have a first sale checklist and will tell you quickly whether your documentation holds up.

Then make it a process, not a project. Add factory invoice collection to your standard operating procedure for every new supplier relationship. The importers who save the most on first sale are not the ones with the cleverest structure. They are the ones whose paperwork is boring, complete, and ready before anyone asks.

## Does the first sale rule work if I buy directly from the factory?

No. The rule requires two sales: factory to middleman, middleman to you. If you buy direct, there is only one sale and its price is the dutiable value.

## Will claiming first sale trigger a CBP audit?

Declaring a lower value does not automatically trigger an audit, but CBP can ask for the supporting documentation at any time. Claim it only when your paperwork is solid enough to show an auditor.