USMCA Rules of Origin: the importer’s guide to qualification, RVC, and certification

The United States, Mexico, and Canada Agreement (USMCA) replaced NAFTA on July 1, 2020. It kept the general shape of a preferential origin regime, but it rewrote the qualification math for autos, tightened the textile yarn-forward rule, moved steel and aluminum onto their own tracks, and replaced NAFTA’s Certificate of Origin with a nine-data-element certification that any of the importer, exporter, or producer can complete. This guide walks through how a working importer decides whether a good qualifies for USMCA preference, how to compute regional value content (RVC) two different ways, how to read a product-specific rule of origin (PSRO), what CBP expects on the certification, and where importers get tripped up.

Primary sources cited inline: USTR text of USMCA, 19 CFR Part 182, HTSUS General Note 11, and CBP’s USMCA implementing instructions. Educational reference material, not legal advice.

The four origin criteria: A, B, C, D

Every USMCA claim rests on one of four origin criteria. They come from Article 4.2 of the agreement and are reproduced verbatim on the CBP certification format. An importer claiming preference has to know which one the good qualifies under, because the supporting documentation is different for each.

Criterion A: wholly obtained or produced entirely in the territory. This covers goods that never contained a non-originating input, ever. Examples are minerals extracted in Canada, live animals born and raised in Mexico, plants harvested in the United States, and fish caught within the territory or by USMCA-flagged vessels outside the territory. The wholly-obtained list is closed and specific. It is defined in Article 4.3 of the agreement and mirrored in 19 CFR 182 App. A.

Criterion B: produced entirely in the territory using non-originating materials, provided each non-originating material undergoes the tariff shift or other requirement specified in the PSRO. This is the workhorse. Most manufactured goods qualify under B. The PSRO tells you exactly what transformation the non-originating inputs have to undergo. Almost always this is a tariff shift, sometimes with a RVC minimum layered on top.

Criterion C: produced entirely in the territory exclusively from originating materials. This is the sub-assembly case. If a Canadian producer buys only USMCA-originating parts from other USMCA producers and puts them together, the finished good is originating under C without ever running a tariff-shift analysis. In practice this is where trusted-supplier declarations matter, because the C claim is only as strong as the supporting originating-material statements from your Tier-1 suppliers.

Criterion D: produced entirely in the territory but the good itself, as classified, is a non-originating input. Criterion D is the exception for goods that cannot meet their tariff-shift rule because the good and one of its non-originating inputs are classified in the same subheading (typically parts and finished assemblies in the same heading). D requires either that the good is described in Annex 4-B Appendix (limited list) or that it satisfies a specific RVC threshold. It is uncommon outside of very defined situations such as certain motor vehicle parts.

How to read a product-specific rule of origin (PSRO)

The PSROs live in Annex 4-B of USMCA and are transposed into US law as HTSUS General Note 11 (published by the US International Trade Commission). Every PSRO is keyed to an HS heading or subheading. It reads as one of three patterns:

• Pure tariff shift.Example, for HS 8544 (insulated wire): “A change to heading 8544 from any other heading.” Any non-originating input classified outside 8544 satisfies the rule. Copper wire rod at 7408 shifting into insulated wire at 8544 qualifies. Insulated wire imported from outside the region and merely relabeled does not.
• Tariff shift plus RVC.Example, for many machinery subheadings: “A change to subheading X from any other heading, provided there is a regional value content of not less than 60 percent under the transaction value method or 50 percent under the net cost method.” Both the tariff shift AND the RVC threshold have to be met.
• Tariff shift OR RVC. Example, some chemical and electronic goods let the producer choose between a heading shift OR a specified RVC. The producer picks whichever is easier to substantiate on that particular production run.

When a PSRO uses the phrase “change to X from any other subheading, including another subheading within that heading”, that is stricter than a plain heading-level shift. Read the exact wording in HTSUS General Note 11, not a broker summary.

Regional value content (RVC): the two methods

USMCA Article 4.5 gives producers two methods for computing RVC. They produce different numbers on the same production run, and importers can pick whichever satisfies the applicable threshold, subject to the constraint that autos and certain other categories have method-specific rules.

Transaction value method. RVC = ((TV − VNM) / TV) × 100. TV is the transaction value of the good adjusted to an FOB basis. VNM is the value of non-originating materials used in producing the good. The transaction value method is simpler and produces a higher RVC number when the good has healthy margin, but it cannot be used if there is no arm’s-length sale (related-party transfers with no market price, for example).

Net cost method. RVC = ((NC − VNM) / NC) × 100. NC is the net cost of the good, defined as total cost minus sales promotion, marketing, after-sales service, royalties, shipping and packing, and non-allowable interest (Article 4.5.5). The net cost method removes selling-side margin from the denominator, so it usually produces a lower RVC number than transaction value on the same good but is required for the auto sector and for related-party transactions with no comparable arm’s-length sale.

Thresholds vary by good. General industrial goods commonly require 60 percent transaction value or 50 percent net cost. Autos have a stepped schedule (below). Always check the exact figure in HTSUS General Note 11 for the tariff line you are claiming under.

Auto and auto-parts rules (the hardest sector)

USMCA raised the passenger-vehicle RVC requirement from NAFTA’s 62.5 percent to 75 percent under the net cost method, phased in over three years and now at the full 75 percent. It also added two rules that did not exist under NAFTA: a Labor Value Content (LVC) requirement and a steel and aluminum sourcing requirement.

• Passenger vehicles and light trucks:75 percent regional value content (net cost method), 70 percent of steel and 70 percent of aluminum purchases originating in North America, and 40 percent (light trucks: 45 percent) of the vehicle’s content produced by workers earning at least USD 16 per hour (LVC).
• Core parts (engines, transmissions, body and chassis, axles, suspension, steering, advanced batteries): must independently satisfy 75 percent RVC. This is Annex 4-B Appendix, Table A.
• Principal parts: 70 percent RVC. Complementary parts: 65 percent RVC. Both under the net cost method.

Worked example, auto part:a Tier-1 supplier in Ontario produces a wire harness classified in HS 8544.30 for delivery to an assembler in Michigan. The PSRO for 8544.30 in HTSUS General Note 11 requires a tariff shift from outside 8544. The Ontario supplier sources copper conductor at 7408 (originating from a Quebec smelter) and imports insulation compound at 3901 from Germany. Both non-originating inputs shift into 8544 on assembly, satisfying the tariff shift. Because the harness is a “principal part” under Annex 4-B Appendix Table B, it must also hit 70 percent RVC under net cost. Net cost of the harness is USD 100. VNM (the German insulation) is USD 22. RVC = ((100 − 22) / 100) × 100 = 78 percent. The part qualifies. The Michigan assembler counts the full USD 100 as originating content when computing the vehicle’s own RVC.

Textile and apparel: the yarn-forward rule

USMCA carried NAFTA’s yarn-forward rule into Chapter 6 (Textile and Apparel Goods) and tightened it. Yarn-forward means that for a textile or apparel good to qualify, the yarn (or in some cases the fiber) has to be formed in a USMCA country, and every subsequent production step through the finished garment has to happen in the region.

Practical effect: a shirt cut and sewn in Mexico from Chinese fabric does not qualify, even if 100 percent of the sewing labor is Mexican. The fabric has to be woven or knitted from originating yarn. USMCA also requires sewing thread, pocketing fabric, narrow elastic bands, and coated fabric to originate in the region for certain apparel categories, each of which was tightened relative to NAFTA (Chapter 6 Annex).

De minimis for textiles: under Article 4.12, up to 10 percent by weight of the total weight of the component that determines classification may be non-originating without disqualifying the good, but that de minimis does NOT apply to elastomeric yarns in most apparel categories. This is a persistent trap. Elastomeric content in stretch-woven fabric routinely disqualifies otherwise-qualifying goods because importers apply the 10 percent de minimis without checking the elastomeric carveout.

Worked example, textile: a knit polo shirt (HS 6105.10) cut and sewn in Guatemala from Salvadoran fabric is NOT USMCA-originating, because Guatemala and El Salvador are outside the territory. The same shirt cut and sewn in Mexico from Mexican-knit fabric spun from cotton yarn formed in the United States, using Vietnamese sewing thread that represents 3 percent of the garment weight, qualifies under Criterion B: yarn-forward satisfied, and the non-originating sewing thread falls under the 10 percent de minimis (assuming it is not elastomeric).

Steel and aluminum

Outside the auto-sector 70 percent purchase requirement, steel and aluminum in general merchandise categories follow the standard PSRO for their HS chapter. Chapter 72 (iron and steel) and Chapter 76 (aluminum) contain their own tariff-shift PSROs that are typically satisfied by the smelting or casting operation happening in the region.

Worked example, steel:hot-rolled steel coil classified in HS 7208 imported by a US fabricator, then cut and welded in Ohio into a structural steel section classified in HS 7308, satisfies the 7308 PSRO (change to 7308 from any other heading) because 7208 and 7308 are different headings. If the coil were instead imported already in the form of a fabricated structure at 7308 and merely painted in the US, the tariff shift is not met and the good does not qualify. Independent of USMCA, steel and aluminum imports are also subject to Section 232 duties and to CBP’s melt-and-pour reporting requirement, which USMCA preference does NOT waive.

Electronics: substantial transformation and the de minimis rule

Consumer electronics live mostly in HS Chapters 84 and 85. Their PSROs are usually a heading-level tariff shift, sometimes paired with an RVC floor for higher-value assemblies. The recurring qualification issue is printed circuit board assemblies (PCBAs, HS 8534 or 8517.7): the PCBA is often the dominant cost input and is often sourced from Asia.

Worked example, electronics:a wireless router (HS 8517.62) assembled in Mexico from a Chinese-populated PCBA, a Mexican-molded plastic housing, and Mexican power supply. The PSRO for 8517.62 requires a change from any other heading. The PCBA is classified in 8517.70 as a “part” of 8517, which is the SAME heading. So the PCBA does NOT satisfy the shift and cannot be hand-waved into originating status. Under Criterion B the good fails. The producer either has to (a) source the PCBA from within the region, (b) show the PCBA independently qualifies (populating an unpopulated board across a subheading break can qualify depending on the exact PSRO), or (c) verify a general de minimis of 10 percent by value under Article 4.12: if the value of non-originating materials that fail the tariff-shift rule is 10 percent or less of the value of the good, the good still qualifies. In practice PCBAs are almost never below the 10 percent threshold, so origin-sensitive electronics producers redesign supply chains to pull PCB assembly into the region.

De minimis, fungible goods, and accessories

Article 4.12 sets the general 10 percent by value de minimis: a good is still originating if the value of all non-originating materials that do not meet the tariff-shift rule is not more than 10 percent of the transaction value or total cost of the good. Carveouts apply to certain agricultural products (Chapter 4 dairy, citrus, single fruit or vegetable juices) and to elastomeric yarns in most apparel.

Fungible goods and materials (Article 4.13) can be tracked using any inventory management method recognized in the GAAP of the country of production (FIFO, LIFO, average), applied consistently across a fiscal year. Accessories, spare parts, and tools shipped with the good (Article 4.15) are treated as originating if the good itself is originating, provided they are classified with it, not invoiced separately, and in customary quantities. Retail packaging is likewise disregarded when testing tariff shifts.

The USMCA certification: nine data elements, no prescribed form

NAFTA required a specific Certificate of Origin form (CBP Form 434). USMCA replaced that with a minimum-data certification that can appear on a commercial invoice, a separate document, or an electronic file. The nine required data elements are set out in USMCA Annex 5-A and 19 CFR 182.12:

1. Certifier (importer, exporter, or producer, with name and role).
2. Certifier’s name, title, address, telephone, and email.
3. Exporter’s name, address, telephone, and email (if different from the certifier).
4. Producer’s name, address, telephone, and email (may be listed as “Various” or subject to a confidentiality request).
5. Importer’s name, address, telephone, and email.
6. Description of the good, sufficient to relate it to the invoice and the HS classification.
7. HS tariff classification to at least six digits.
8. Origin criterion under which the good qualifies (A, B, C, or D).
9. Blanket period (if applicable, up to 12 months).

The certification must include a signature (electronic acceptable), date, and a certification statement that begins “I certify that the goods described in this document qualify as originating and the information contained in this document is true and accurate.” Full text at 19 CFR 182.12. CBP’s posted implementing instructions and a fillable template are on the CBP USMCA landing page.

Any of the three parties (importer, exporter, or producer) may certify. The importer is liable to CBP for the truth of the certification regardless of who issued it, and importers must retain the certification and all supporting records for at least five years after the date of importation (19 CFR 182.15).

De minimis in the ENTRY sense (Section 321) vs USMCA de minimis

Do not confuse these. USMCA de minimis (Article 4.12, discussed above) is a 10 percent value threshold for non-originating materials that fail a tariff shift. Section 321 de minimis is the US CBP entry-level threshold that lets shipments valued at USD 800 or less enter free of duty. They are unrelated: a shipment can be below Section 321 and still fail USMCA qualification, and a shipment can pass USMCA qualification and still owe duty above the Section 321 threshold on non-USMCA content.

Common qualification pitfalls

• Claiming Criterion B without a tariff-shift analysis. This is the single most common CBP verification finding. The importer claims B, but has no bill of materials showing each non-originating input, its HS classification, and how it shifts into the finished good’s heading. Without that record, the claim is unsupported.
• Confusing tariff-shift language.“Change to heading X from any other heading” is a HEADING-level shift. “Change to subheading X from any other subheading, including another subheading within that heading” is a SUBHEADING-level shift and is stricter. Reading these interchangeably produces false positives.
• Using transaction value RVC on a related-party transfer with no arm’s-length sale. USMCA Article 4.5 requires net cost in that scenario. Using transaction value invalidates the RVC computation.
• Applying general 10 percent de minimis to elastomeric yarns. Chapter 6 carveout removes de minimis for elastomeric yarns in most apparel headings. This has produced years of retroactive duty assessments on apparel importers.
• Assuming USMCA preference wipes out Section 232, Section 301, or antidumping duty. USMCA reduces the general ad valorem duty (HTSUS Column 1 rate) to the preferential rate (typically 0). It does not touch Chapter 99 overlays, Section 232 steel and aluminum duties, Section 301 China duties, or antidumping and countervailing duties. Those remain payable in full on any content those measures reach.
• Storing the certification but not the supporting records. 19 CFR 182.15 requires the certification AND all records supporting origin (bill of materials, supplier declarations, cost records, RVC worksheets) to be retained for five years. CBP verifications routinely request the supporting file, not just the certificate.
• Signing a blanket certification without production controls. A 12-month blanket certification obligates the certifier for every shipment in that window. If the production run changes suppliers mid-period and non-originating content rises above the RVC threshold, every shipment on that blanket becomes a false claim.

What CBP does on a USMCA verification

CBP verifies USMCA claims under 19 CFR Part 182 Subpart G. The three common paths are a written questionnaire to the importer, exporter, or producer (19 CFR 182.73), a verification visit (182.74), or a documentation request. A negative finding typically results in denial of the claim, reliquidation with duty owed, and potential 19 USC 1592 penalties if CBP concludes the claim was not made in good faith. Verifications have picked up post-2023, particularly on autos (LVC audits), textiles (yarn-forward audits), and steel. Importers with any volume of USMCA-claimed entries should treat verification as routine.

Practical qualification workflow

1. Classify the finished good to the 8-digit HTSUS.
2. Look up the PSRO in HTSUS General Note 11 for that tariff line.
3. Build a bill of materials with HS classification for every non-originating input.
4. Test each non-originating input against the tariff-shift requirement.
5. If the PSRO also requires RVC, compute it under transaction value or net cost as the rule allows, using the correct denominator.
6. If any non-originating input fails the shift, test whether it falls under the 10 percent value de minimis (and whether any carveout blocks the de minimis).
7. Identify the origin criterion the good satisfies (A, B, C, or D) and document it.
8. Prepare the nine-data-element certification, sign, and share with the importer.
9. Retain the certification and full supporting record for five years.

Related LandedFees tools

LandedFees ships four tools that plug into this workflow directly. Use them together during a qualification exercise or as a permanent back-office control.

• FTA Preference Checker runs a lane against USMCA and 40+ other agreements and flags whether a claim is likely to hold given the HS code and origin country pair.
• HTS Code Lookup resolves the 10-digit HTSUS classification and surfaces the PSRO text and Chapter 99 overlays for the tariff line.
• Landed Cost Calculator models duty, MPF, HMF, and Section 232 or 301 overlays for a given lane, showing the delta between the USMCA-preferential path and the general column-1 rate.
• Customs Entry Audit reviews existing entries for missed USMCA claims still inside the 19 CFR 174.24 protest window or the post-summary correction window, and produces a broker-ready amendment memo with the origin analysis attached.

Primary sources

• USTR: Agreement between the United States, Mexico, and Canada (full text) Chapters 4, 5, 6, and Annex 4-B Appendix.
• 19 CFR Part 182: USMCA Implementation CBP implementing regulation. Subparts B (certification), D (post-importation), G (verification), H (penalties).
• HTSUS General Note 11 (USITC) Transposed PSROs by HS chapter. Quote from here, not a broker summary.
• CBP USMCA implementation and guidance Certification template, informed compliance publications, USMCA Center contact.
• 86 FR 35566 (July 6, 2021): Final Rule implementing USMCA Federal Register final rule codifying 19 CFR Part 182.

Prepared by the LandedFees team. Educational reference material only, not legal advice. For a live claim, work with a licensed customs broker or trade attorney and rely on the primary sources cited above.