# Related-party pricing and transfer pricing adjustments: how they change your duty bill | LandedWatch

Source: https://landedwatch.com/blog/related-party-pricing-transfer-pricing-duty-impact-2026-10-04/

**Short answer:** If the seller is related to you, customs starts from the assumption that the price may not be arm's length, and the importer has to prove otherwise. A transfer pricing adjustment that raises the price of imported goods after import can create retroactive duty liability, while one that lowers it rarely creates a refund without a formal reconciliation process. The practical move is to document your pricing method before import, flag related-party transactions in your entry records, and reconcile adjustments annually rather than discovering them during an audit.

## Why customs cares who you buy from

Most Shopify importers buy from independent factories, so the invoice price is accepted as the customs value without a second thought. That changes the moment the seller is related to you: your own overseas factory, a sister company, or a supplier in which you hold significant ownership. Customs agencies treat related-party prices as potentially influenced by the relationship, which means the transaction value method only applies if you can show the relationship did not affect the price.

This is not an accusation of wrongdoing. Multinationals set transfer prices for tax reasons every day, and customs knows it. The concern is mechanical: if the price was set to shift profit rather than to reflect a market exchange, duty computed on that price is wrong in one direction or the other. The importer of record carries the burden of proof, and "our tax team signed off on it" is not the test customs applies.

## The circumstances-of-sale test

To defend a related-party price, you generally need to show either that the price was settled in the same manner as with unrelated buyers (the circumstances-of-sale test) or that it closely approximates a test value such as the price of identical goods sold to unrelated buyers. In practice, that means keeping the evidence a skeptic would ask for: price lists offered to unrelated buyers, quotes for the same goods from independent suppliers, and documentation of how the transfer price was set.

The strongest defense is boring and prepared in advance. A transfer pricing study written for tax purposes helps, but customs looks at the commercial reality of the specific import transaction, not just the group policy. Keep contemporaneous records: the pricing methodology, comparable uncontrolled prices, and any adjustments made for differences in volume or terms. Assemble this before the goods ship, not after a customs inquiry arrives.

## Transfer pricing adjustments: the duty trap in year-end true-ups

Here is where importers get hurt. Many groups true up transfer prices at year end to hit a target margin for tax purposes. If that adjustment increases the price of goods already imported, customs generally views the additional payment as part of the dutiable value, which means you owe more duty retroactively. The adjustment was not a separate service fee or a dividend; it was consideration for the imported goods.

The asymmetry is what stings. An upward adjustment creates duty liability, but a downward adjustment does not automatically create a duty refund. Getting money back usually requires a formal reconciliation or protest process with strict deadlines, and many importers simply absorb the loss. Before signing off on a year-end true-up, model the duty consequence alongside the tax consequence, and consider structuring adjustments prospectively where the rules allow.

## What to document before the goods ship

Build a related-party file for every SKU family you import from a related seller. It should contain the relationship description, the pricing methodology, the comparable data supporting arm's length pricing, and the policy for year-end adjustments with the duty treatment pre-analyzed. Flag related-party entries in your import records so they are easy to find during an internal review or a customs audit.

Second, coordinate your tax and customs teams, or at least your advisors. Transfer pricing and customs valuation are two lenses on the same price, and decisions optimized for one routinely create exposure in the other. A single annual review that covers both, timed before the fiscal year closes, is cheaper than either a tax adjustment or a customs penalty discovered later.

## Coordinating the annual review

Put one meeting on the calendar each year, before the fiscal year closes, with everyone who touches the transfer price: tax, customs, finance, and supply chain. The agenda is short: what adjustments are planned, what is the duty effect of each, and is there a way to achieve the tax outcome with a smaller customs footprint.

Document the decisions, even the ones where you decide to accept the duty cost. A contemporaneous record that you considered the customs effect and chose a path deliberately is worth more in an audit than a perfect outcome discovered by accident. Customs penalties scale with negligence; a paper trail of diligence is the opposite of negligence.

## Does buying from my own factory always trigger extra scrutiny?

Not automatically, but it puts the transaction in a category where customs can ask for proof that the price is arm's length. Many importers from related parties never face questions; the risk is that when questions come, undocumented prices are indefensible.

## Can I get a duty refund if a transfer pricing adjustment lowers the price?

Sometimes, but it is not automatic and the procedures have deadlines. This is exactly why importers should model the duty effect of adjustments before they are booked, rather than treating the refund as a given.

## Frequently asked questions

### Does buying from a related supplier automatically raise my duty bill?

No. Related-party pricing is accepted when the relationship did not influence the price, or when the price closely approximates a test value. Scrutiny is normal; an adjustment only follows when the evidence does not support the declared value.

### What is the circumstances-of-sale test?

It is CBP comparison of your related-party price against how unrelated buyers and sellers price the same or similar goods. If your price behaves like an arm's length price in that comparison, it is generally accepted as the transaction value.

### Why are year-end transfer pricing true-ups a duty problem?

A true-up changes the price actually paid for goods already imported. Upward adjustments can mean additional duty owed on past entries, while downward adjustments rarely produce refunds automatically, so the customs position must be planned before the true-up is booked.

### What should I document before related-party goods ship?

Keep the pricing policy, intercompany agreements, comparable pricing evidence, and any transfer pricing study with the entry records. Assembling that file after an inquiry arrives is slower and reads worse than having it ready.