We determine origin the way CBP does —
substantial transformation, rules of origin, marking compliance, and binding rulings so your origin claim survives a review instead of triggering one.
What Does Country of Origin Determination Actually Cover?
Country of origin is the answer to a deceptively hard question: for customs purposes, where was this good actually made? It is not where it shipped from, and it is often not the last place it was touched. Origin drives marking, eligibility for trade preferences, and, critically now, whether additional duties like Section 301 or antidumping apply.
For most goods the governing test is substantial transformation: origin is the country where the last process gave the article a new name, character, or use. A simple assembly or minor finishing step usually does not transform; a process that turns components into a functionally different article usually does. For goods of Canada and Mexico, the USMCA marking rules in 19 CFR Part 102 apply instead, using tariff-shift and specific rules rather than a case-by-case transformation judgment.
Origin is distinct from two things it is often confused with. It is not classification, which assigns the tariff code, and it is not customs value, which is the province of our first sale for export valuation work. Origin is its own determination with its own rules and its own marking obligation under 19 U.S.C. 1304.
3-part
Transformation test
19 CFR 102
USMCA marking rules
24h
Response time
Free Origin Review
Talk to an Origin Advisor
Quick 30-min review of your origin claims and marking exposure. No obligation.
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Capabilities
Our Country of Origin Determination Capabilities
Six advisory services our trade team uses to determine origin correctly, mark goods compliantly, and lock the answer in a ruling before CBP challenges it.
01
Substantial Transformation Analysis
We trace your bill of materials through each processing step to find where a new name, character, or use is created.
Component and process mapping
New name, character, or use test
Assembly vs transformation judgment
02
Rules of Origin Application
We apply the correct framework, non-preferential substantial transformation or USMCA 19 CFR 102 tariff-shift rules.
Non-preferential origin analysis
USMCA tariff-shift and specific rules
Preference eligibility assessment
03
Country of Origin Marking
We make your marking compliant with 19 U.S.C. 1304 so goods clear without a marking hold or a duty penalty.
Permanent and conspicuous marking review
Container and exception rules
Country name and 'assembled in' phrasing
04
CBP Binding Ruling Requests
We file origin ruling requests under 19 CFR Part 177 so you hold a written CBP determination, not an assumption.
Ruling request drafting and submission
CROSS precedent research
Response and reconsideration support
05
Additional-Duty Origin Screening
We test whether origin pulls your goods into or out of Section 301, antidumping, or other origin-based duties.
Section 301 China-origin screening
AD/CVD scope-country exposure check
Third-country processing analysis
06
Origin Documentation and Defense
We build the supplier and process records that prove your origin claim if CBP requests information after entry.
Our advisors apply the framework CBP actually uses, substantial transformation for non-preferential origin and 19 CFR 102 for USMCA, rather than assuming the last country of shipment is the origin, which is the error that triggers evasion findings.
We back an origin claim with documented reasoning and supplier records tied to each entry, so when a CF 28 asks how you reached your determination, the answer already exists instead of being reconstructed under a deadline.
Because origin now decides Section 301, antidumping, and other duty exposure, we screen the determination against those regimes, so you neither pay a China surcharge you could avoid nor claim an origin that would collapse under scrutiny.
Where the stakes justify it, we secure a binding ruling, so your origin is a written CBP position that protects the entry rather than a judgment call that a single officer can reverse.
Our Process
How Our Origin Determination Process Works
01
Bill of Materials Review
We collect your components, their origins, and every processing step to build the factual record origin turns on.
02
Rule Selection and Analysis
We apply substantial transformation or the USMCA tariff-shift rules, whichever governs, to reach the determination.
03
Marking and Duty Screening
We confirm marking compliance and screen the origin against Section 301, AD/CVD, and preference exposure.
04
Ruling and Documentation
We file a binding ruling where warranted and build the origin memo and supplier records that defend each entry.
05
Monitoring and Review
We re-test origin when suppliers, components, or processing move, so the determination stays current and defensible.
Get Started With Country of Origin Determination Today
Country of origin is no longer a formality on the marking, it is the fact that decides whether Section 301, antidumping duty, and preference eligibility apply, and a wrong answer is now one of the fastest paths to a penalty.
CargoTrans determines origin the way CBP does, documents the reasoning, and locks it in a ruling where it matters, so your entries clear on an origin that holds.
A CargoTrans trade advisor will test your origin claims against substantial transformation and flag your marking and duty exposure.
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Control Tower
Origin Determination Backed by a Live Control Tower
The real-time Control Tower gives your team a live view of each product's determined origin, its marking status, and whether that origin pulls the goods into Section 301 or antidumping exposure, so a marking gap or an origin risk surfaces as an alert instead of a hold at the port.
Behind it, Captain Trade Advisory ties each origin determination to the entries it governs, and our Captain Trade Compliance module keeps the substantial transformation reasoning and supplier records attached to the entry, so the origin claim and the record CBP sees never diverge.
Every origin determination is documented against the bill of materials and processing facts as the entry is filed, so when CBP issues a CF 28 request for information, the substantial transformation or tariff-shift reasoning is already on the record rather than assembled after the question arrives.
Because our advisors sit beside the brokers who file your entries, an origin inquiry, a marking notice, or an evasion allegation is handled by the team that made the determination, so the answer to CBP is consistent with the origin already declared on the entry.
Country of origin determination is the process of deciding, for customs purposes, where a good was actually made. It is not the country it shipped from and not necessarily the last place it was handled. Origin governs three things that carry real money: the country-of-origin marking the goods must bear, whether the goods qualify for a trade preference, and whether additional duties like Section 301 or antidumping apply based on the origin country. The determination follows defined legal tests, substantial transformation for most non-preferential purposes, and the USMCA marking rules for goods of Canada and Mexico. CargoTrans applies the correct test to your specific components and processing, documents the reasoning, and, where the stakes justify it, locks the answer in a binding CBP ruling.
What is substantial transformation?
Substantial transformation is the core test for non-preferential country of origin. A good's origin is the last country in which it underwent a process that gave it a new name, character, or use distinct from the components that went into it. If raw materials or parts from one country are turned into a functionally different article in another, that second country is usually the origin. The hard cases sit at the margin: a simple assembly, minor finishing, packaging, or a cosmetic change generally does not transform the goods, while a process that creates a genuinely new article does. The analysis is fact-specific and turns on the actual operations, which is why CBP and courts decide these case by case. We map your process and apply the test the way CBP and its ruling precedents do.
How is origin different from HTS classification?
They answer different questions and use different rules. HTS classification assigns the tariff code that determines the duty rate for a good, based on what the article is. Country of origin determines where the good is from, based on where it was made or substantially transformed. A product has both an HTS code and an origin, and each is decided under its own framework. They interact, the USMCA tariff-shift rules use classification changes to decide origin, so you cannot apply those origin rules without correct classification first, but they are not the same determination. Confusing them is a common and expensive error, because a correct tariff code says nothing about whether the goods are subject to a China Section 301 surcharge, which is purely an origin question.
How is origin different from customs value and first sale?
Origin, classification, and value are the three independent pillars of an entry, and origin is distinct from value. Customs value is the dollar amount duty is calculated on, and valuation strategies like first sale for export can lawfully lower that amount by using an earlier sale in a multi-tier transaction as the basis. Origin, by contrast, is about where the goods are from, not what they are worth. A first sale program reduces the value the duty rate is applied to; an origin determination decides which duties apply at all and how the goods must be marked. Both matter, and they are often optimized together, but they are separate determinations. We handle origin here and address valuation through our first sale for export work, so each is done under its own rules.
What are the country of origin marking requirements?
Under 19 U.S.C. 1304, most imported goods must be marked with their country of origin in a manner that is legible, permanent enough to reach the ultimate purchaser, and conspicuous. The marking must state the correct origin, and phrasing matters: 'Made in', 'Product of', and 'Assembled in' carry specific meanings, and using the wrong one can itself be a violation. There are exceptions for certain articles and rules for how containers are marked when the goods themselves cannot be, but the default is that the ultimate U.S. purchaser must be able to see where the goods came from. Non-compliant marking causes holds, requires remarking, and can trigger marking duties. We review your marking against the rule and the correct origin so goods clear without a marking-driven delay.
What are the USMCA rules of origin?
For goods of Canada and Mexico, origin marking is governed by the USMCA marking rules codified at 19 CFR Part 102, which use tariff-shift rules and specific product rules rather than the case-by-case substantial transformation test used for most non-preferential origin. Under a tariff-shift rule, a good qualifies as originating in a country if the non-originating inputs undergo a specified change in tariff classification through processing there. Separately, USMCA preferential origin, which determines duty-free eligibility under the agreement, has its own rules of origin including regional value content and specific rules for sectors like automotive. These frameworks are more mechanical than substantial transformation but require correct classification of inputs and finished goods. We apply the right USMCA framework depending on whether the question is marking or preference eligibility.
How does country of origin affect Section 301 and antidumping duties?
Origin is now the trigger for the largest additional-duty regimes. Section 301 duties apply to products of China, so whether your goods are China origin, decided by substantial transformation, determines whether the surcharge applies at all. Antidumping and countervailing duties apply to specific merchandise from specific countries, so origin decides whether your goods fall within an AD/CVD order's scope country. This is why origin has become a compliance flashpoint: processing goods in a third country to change origin can lawfully move them outside these duties, but only if the transformation is real, and a paper transshipment that does not transform the goods is evasion. We screen every origin determination against these regimes so your position is both optimized and defensible.
What is a CBP binding ruling and when should I request one?
A binding ruling is a written determination issued by CBP under 19 CFR Part 177 that states the agency's position on a specific question, such as the country of origin of a described product. Once issued, it binds CBP to that treatment for the described goods, giving you certainty rather than relying on an entry-by-entry judgment that a single officer could question. You should consider a ruling when the origin is genuinely uncertain, when the duty stakes are high, such as whether Section 301 applies, or when you need predictability across many entries. The trade-off is that a ruling commits you to the answer CBP gives, so it is worth researching precedent in the CROSS database first. We draft the request, research precedent, and manage the response so the ruling protects your entries.
Can I change country of origin by processing goods in a third country?
Sometimes, and it is a legitimate strategy when done correctly. If genuine manufacturing or substantial transformation occurs in a third country, the origin of the finished good can shift to that country, which may move it outside Section 301 or an antidumping order. But the transformation must be real: the third-country processing has to give the goods a new name, character, or use. Simply shipping Chinese goods through another country, relabeling them, or performing trivial finishing does not change origin, and treating it as if it does is transshipment, which CBP pursues aggressively as evasion with severe penalties. We analyze whether your proposed third-country processing actually transforms the goods under the substantial transformation standard, document it, and, where warranted, secure a ruling so the change holds up.
What happens if CBP disagrees with my origin determination?
CBP can challenge origin at entry or after, often through a CF 28 Request for Information or a CF 29 Notice of Action, and if it concludes your origin was wrong it can reclassify the goods, assess additional duties like Section 301 or antidumping, impose marking duties, and in serious cases pursue penalties or an evasion case. The strength of your response depends on the documentation behind your original determination. If you have a documented substantial transformation analysis, supplier records, and ideally a binding ruling, you respond from a defensible position. If origin was assumed without support, you are reconstructing a story under deadline. We build the documentation up front and, when a challenge comes, respond with the analysis and records already on file so the position is consistent.
What documentation proves my country of origin claim?
A defensible origin claim rests on facts, not assertions. The core records are the bill of materials showing each component and its origin, a description of the processing performed in each country, manufacturer affidavits or declarations, and a written origin determination memo that applies the correct test to those facts and reaches a conclusion. Where a tariff-shift rule governs, the classification of inputs and finished good supports it; where substantial transformation governs, the description of the operations does. For high-stakes goods, a binding ruling is the strongest documentation because it is CBP's own written position. We assemble this record per product as part of the determination, so that if CBP ever asks how you reached your origin, the answer is a complete file rather than a scramble.
How do we get started with country of origin determination?
It begins with a free 30-minute origin review. Share your products, their bills of materials, where components come from, and where processing happens, and we will flag which determinations are solid, which are at risk, and where marking or additional-duty exposure sits, with no obligation. From there we scope the work: substantial transformation or USMCA analysis per product, marking compliance, additional-duty screening, and binding rulings where the stakes justify certainty. Because our brokers file entries daily, the origin we determine is the origin declared on your entries, documented and consistent. Most importers start because a supplier changed, a CF 28 arrived, or a Section 301 or antidumping question made origin suddenly worth pinning down precisely.