US-Brazil tariff adds CBSA origin checks — what Canadian importers filing CADs need to verify now

Key Takeaways

• US tariffs on third countries trigger CBSA origin verification sweeps on goods with similar HS codes entering Canada.
• CUSMA preference claims require documented regional value content — supplier declarations older than 12 months will not hold up in a CBSA audit.
• Importers of goods with Brazilian inputs should review CAD origin fields now, before CBSA flags the entry for post-release verification.
• High-risk HS codes (footwear, steel, textiles) see verification rates climb 40-60% after major US tariff announcements, based on our filing data.

US tariff announcements don’t stop at the border

When the US tags imports from a major supplier with steep duties, CBSA’s verification teams watch Canadian entry data for the same HS codes. The July 22 implementation of 25% duty on most Brazilian imports will likely trigger a CBSA sweep on goods entering Canada with Brazilian inputs, especially if the importer claims CUSMA preferential origin on the Commercial Accounting Declaration.

This is not speculation. We saw it happen with Chinese steel in 2018, Vietnamese footwear in 2022, and Mexican automotive parts in 2024. CBSA does not announce the sweep. Importers receive a verification letter weeks after release, asking for supplier declarations, regional value content worksheets, and production records they may not have collected at the time of filing.

If your CAD origin field says “CA” or “US” but your bill of materials includes Brazilian steel, textiles, or components, CBSA will ask you to prove the goods qualified for CUSMA preference. The time to assemble that proof is before the letter arrives.

What CBSA is looking for

CUSMA origin rules require that goods undergo substantial transformation in a CUSMA territory (Canada, US, Mexico) and meet product-specific regional value content thresholds. For most industrial goods, that threshold is 50% to 75% RVC calculated under the net cost or transaction value method, depending on the tariff shift rule in CUSMA Annex 4-B.

A Canadian importer claiming CUSMA origin on a CAD must hold a valid certificate of origin or have the documentation to self-certify. CBSA Memorandum D11-4-2 sets the evidentiary standard: supplier declarations must be current, RVC calculations must be documented, and any third-country inputs must be accounted for in the tariff classification analysis.

When a high-tariff event like the US-Brazil measure goes live, CBSA’s risk-assessment algorithms flag entries with certain HS 6-digit codes and origin claims that don’t match the supplier country on the commercial invoice. The agency then issues post-release verification requests under CUSMA Article 5.9, asking the importer to substantiate the origin claim within 30 days.

If the importer cannot produce the records, CBSA denies the preference claim, assesses MFN duty plus interest, and may issue an AMPS penalty under C063 (false or inaccurate origin statement). We have seen penalties range from CAD 400 for a first negligence-level infraction to CAD 25,000 for repeated or grossly negligent claims.

Triangular trade patterns CBSA watches

Brazil is a major exporter of steel, footwear, poultry, and certain machinery components. Many of those goods move through processing hubs in Mexico or the southern US before final assembly. A Mexican manufacturer sourcing Brazilian flat-rolled steel, for instance, may sell finished metal fabrications to a Canadian buyer who files the CAD with CUSMA origin.

If the steel did not undergo sufficient transformation in Mexico to satisfy the HS tariff shift (often Chapter 72 to Chapter 73 or higher), the finished good does not qualify for CUSMA preference. CBSA will deny the claim and assess the MFN rate. If the US has also imposed Section 232 or antidumping duties on the same steel, the Canadian importer may face a double squeeze — MFN duty in Canada and potential US tariff exposure if any portion of the supply chain touches US soil.

We advise clients in these situations to review their supplier’s HS classification and confirm that the production process meets CUSMA’s product-specific rules of origin. If the answer is unclear, file the CAD under MFN duty and pursue a post-release preference claim once the documentation is complete. This avoids AMPS exposure and preserves the option to recover the duty differential under Customs Act Section 74.

SIMA and ADD/CVD intersections

Canada’s Special Import Measures Act (SIMA) imposes antidumping (AD) and countervailing duties (CVD) on certain goods when foreign producers sell below normal value or benefit from actionable subsidies. Brazilian steel has been subject to SIMA measures in the past, and the Canadian International Trade Tribunal (CITT) periodically reviews these orders.

If CBSA determines that goods entered with a false CUSMA origin claim were actually of Brazilian origin, and those goods fall under an active SIMA order, the importer may owe both the denied preference duty (MFN minus CUSMA rate) and the SIMA margin. The SIMA margin is calculated separately and appears on the CAD as a line item distinct from customs duty.

Importers using release prior to payment under an RPP bond should be aware that CBSA can adjust the bond sufficiency calculation if SIMA exposure increases. We recommend quarterly bond reviews for clients importing goods with multi-country supply chains, especially when upstream tariff changes shift sourcing patterns.

Warehouse and drayage timing under verification

When CBSA opens an origin verification, the goods themselves are usually already released and sitting in a warehouse or already consumed in production. The verification is a paper exercise, but it has downstream consequences for inventory management.

If CBSA ultimately denies the preference claim and assesses additional duty, the importer must pay the shortfall plus interest. For importers operating on thin margins, a surprise duty bill of CAD 15,000 to CAD 50,000 can disrupt cash flow, especially if the importer is holding 60 days of inventory at a bonded or sufferance warehouse. Payment is due within 30 days of the re-determination notice, and failure to pay triggers CARM enforcement action, including suspension of release privileges.

We work with FENGYE LOGISTICS on the physical side to ensure that goods flagged for verification are segregated and tracked separately in the warehouse management system. If the verification results in a denied claim, the importer can make an informed decision about whether to contest the finding or adjust future pricing and supplier terms.

What to do before CBSA sends the letter

Importers who claim CUSMA origin on any CAD should audit their current supplier declarations now. A supplier declaration is valid for the period stated on the document, but best practice is to refresh declarations annually or whenever the bill of materials changes.

If your supplier cannot provide RVC worksheets or confirms that inputs from Brazil (or another non-CUSMA country) exceed the de minimis threshold, file your next CAD under MFN duty and work with your customs broker to determine whether a different tariff classification or a different origin claim is supportable.

For goods already entered under CUSMA preference, review the past 12 months of CAD filings in the CARM Client Portal. If any entries look questionable, file a voluntary B2 correction before CBSA opens verification. Voluntary disclosure under CBSA’s Administrative Monetary Penalty System can reduce or eliminate penalties, but only if the importer self-reports before the agency issues a verification request.

Contact a broker who files CADs against these notices daily

US tariff announcements are routine. CBSA origin sweeps are routine. The surprise is when an importer discovers the exposure after the fact. We file Commercial Accounting Declarations for clients with multi-country supply chains every day, and we build verification defense into the initial filing process. If your upstream sourcing includes Brazilian inputs and you’re claiming CUSMA preference, get in touch.

Frequently Asked Questions

Does a US tariff on Brazil affect my Canadian imports?

Yes, if your goods contain Brazilian inputs and you claim CUSMA origin on your CAD. CBSA tightens verification when a major trading partner imposes steep duties — the agency watches for deflection (goods rerouted to avoid tariffs). We saw CBSA verification requests jump 40-60% on certain HS codes after the 2025 Section 232 steel expansion.

What documents does CBSA require to verify CUSMA origin on a CAD?

CBSA expects a signed certificate of origin, supplier declarations showing regional value content (RVC) calculation, and production records proving transformation occurred in a CUSMA territory. Under CUSMA Article 5.2, the importer or exporter certifies origin — CBSA can verify up to five years post-import.

How long does a CBSA origin verification take?

Desk verifications typically resolve in 30 to 90 days if documentation is complete. Site visits or requests sent to foreign customs administrations can stretch six months or longer. During verification, CBSA may suspend preferential tariff treatment and assess MFN duty plus interest under Customs Act Section 33.6.

Can I amend my CAD if I claimed CUSMA origin incorrectly?

Yes, importers have 90 days from release to submit a voluntary correction via the CARM Client Portal (B2 adjustment). Voluntary disclosure avoids AMPS penalties. If CBSA opens verification before you self-correct, the correction is no longer voluntary and penalty exposure increases.

What is the penalty for an incorrect CUSMA origin claim?

CBSA assesses Administrative Monetary Penalty System (AMPS) contraventions under C063 (false or inaccurate origin statement). Level 1 penalty is CAD 400 for negligence; Level 5 reaches CAD 25,000 for gross negligence or repeat violations, per the Master Penalty Document.

Should I file my CAD under MFN duty if I’m unsure about CUSMA origin?

Yes. If supplier documentation is incomplete or RVC calculation is borderline, file MFN and claim preference later under Section 74 post-release adjustment once you have proof. This avoids AMPS exposure and lets you collect the refund after the fact.

Source: Supply Chain Dive