Canadian importers have faced unprecedented trade volatility over the past several years, but 2026 has introduced a new layer of complexity. With Canada implementing additional surtaxes on certain goods originating from the United States, importers are being forced to reassess sourcing strategies, customs compliance procedures, landed cost calculations, and long-term supply chain planning.
For many businesses, these changes arrive at a time when inflationary pressures, transportation costs, and global sourcing challenges are already affecting margins. Companies that fail to adapt may find themselves facing unexpected duty liabilities, customs reassessments, and reduced competitiveness.
Whether you import industrial equipment, consumer goods, construction materials, food products, or manufacturing components, understanding how these new surtaxes impact your business is critical. More importantly, importers should begin preparing now for the possibility of continued trade uncertainty heading into 2027.
What Changed on September 8, 2026?
On September 8, 2026, additional Canadian surtax measures affecting certain U.S. origin goods came into force. These surtaxes are separate from standard customs duties and are generally assessed as a percentage of the value for duty declared to the Canada Border Services Agency (CBSA).
The measures were introduced as part of Canada’s broader trade response framework and affect a variety of imported products across multiple sectors. As with previous retaliatory tariffs and safeguard measures, the financial impact can be significant for businesses that rely heavily on U.S. suppliers.
For importers, the practical consequence is straightforward: goods that may have previously entered Canada duty-free under the Canada-United States-Mexico Agreement (CUSMA) could now be subject to additional surtax obligations depending on their classification and origin.
This means landed cost calculations that were accurate six months ago may no longer reflect actual import costs today.

Action #1: Review Your Import Portfolio Immediately
Importers should perform a comprehensive review of all products sourced from the United States to determine:
- Whether the goods fall within affected tariff classifications
- The applicable surtax rate
- The annual import volumes involved
- The overall financial exposure
Businesses that import hundreds or thousands of SKUs should prioritize high-volume and high-value products first.
Which Goods Are Affected?
One of the most common importer mistakes is assuming that surtaxes apply broadly to all U.S. products. In reality, surtax measures typically apply only to specific tariff classifications.
Affected products may include:
- Building materials
- Steel and aluminum products
- Industrial machinery
- Manufacturing components
- Consumer products
- Agricultural products
- Furniture and home improvement items
- Various specialty goods
The determining factor is not how a product is marketed but how it is classified under Canada’s Customs Tariff.
For example, two products that appear virtually identical from a commercial perspective may fall under different tariff classifications and therefore receive different customs treatment.
A misunderstanding at the classification stage can result in:
- Underpaid duties
- Interest assessments
- Administrative monetary penalties
- Customs audits
- Retroactive reassessments
Action #2: Verify Tariff Classifications
Importers should conduct a classification review before assuming a product is exempt.
Best practices include:
- Reviewing existing tariff databases
- Examining supplier specifications
- Comparing classifications against CBSA rulings
- Obtaining advance rulings where appropriate
- Working with customs specialists to validate product descriptions
Accurate classification forms the foundation of every customs declaration and becomes even more important when surtaxes are involved.
Why Country of Origin Matters More Than Ever
Many importers mistakenly focus only on where goods are purchased rather than where goods originate.
Country of origin is now one of the most critical factors in determining whether a surtax applies.
A product shipped from the United States is not automatically considered U.S.-origin. Likewise, a product purchased from a U.S. distributor may actually originate in Europe, Asia, Mexico, or another jurisdiction.
The distinction can have major cost implications.
For example:
- Product A is manufactured in Ohio.
- Product B is manufactured in Germany but distributed through Illinois.
Both shipments may arrive from a U.S. supplier, but customs treatment may differ dramatically depending on applicable origin rules.
Importers must understand:
- Origin determination requirements
- CUSMA qualification rules
- Country of manufacture documentation
- Substantial transformation principles
- Supplier certification requirements
When origin documentation is incomplete or inaccurate, CBSA may reject preferential treatment claims and reassess duties accordingly.
Action #3: Conduct an Origin Audit
Importers should review:
- Supplier certificates
- Manufacturing declarations
- Origin statements
- Bill of material records
- Production sourcing information
This review can identify potential opportunities to reduce surtax exposure by documenting eligible non-U.S. origin products correctly.
Origin verification should become a standard part of every importer’s compliance program.
Common Importer Mistakes
As new surtaxes are introduced, several recurring compliance mistakes tend to emerge.
Assuming Existing Customs Processes Are Sufficient
Many businesses continue using historical customs procedures without verifying whether recent legislative changes affect their products.
Trade compliance should never operate on autopilot.
Misunderstanding Country of Origin
Origin errors are among the most frequent causes of customs reassessments.
Companies often rely on supplier assumptions rather than documented proof.
Incorrect Customs Valuation
Surtaxes are generally calculated based on value for duty.
Errors involving assists, royalties, freight allocations, commissions, or transfer pricing adjustments can significantly affect surtax liability.
Late Cost Adjustments
Many companies update customer pricing long after surtaxes take effect.
The result is margin erosion that may continue unnoticed for months.
Inadequate Documentation
CBSA expects importers to maintain records supporting:
- Classification
- Origin
- Valuation
- Customs declarations
- Exemption claims
Missing documentation can turn a legitimate claim into a costly reassessment.
Action #4: Perform a Compliance Health Check
Importers should conduct an internal customs review that examines:
- Classification accuracy
- Origin documentation
- Customs valuation methodology
- CARM procedures
- Record retention practices
- Broker instructions
Identifying weaknesses now is far less expensive than addressing them during a CBSA audit.
How Customs Brokers Can Help Reduce Costs
Many businesses view customs brokers primarily as entry processors. In reality, experienced customs brokers can provide strategic support that directly impacts profitability.
A knowledgeable customs broker can assist with:
Tariff Classification Reviews
Customs professionals can analyze products and identify potential classification risks before shipments arrive.
Origin Verification
Brokers help ensure that supporting documentation meets CBSA requirements and supports preferential treatment claims where available.
Customs Valuation Support
Valuation reviews can identify opportunities to ensure duties and surtaxes are calculated correctly while avoiding unnecessary overpayments.
Duty Recovery Opportunities
Many importers overlook:
- Duty drawbacks
- Corrections
- Refund opportunities
- Competitive sourcing alternatives
Proper reviews can uncover significant savings.
CARM Compliance
The CARM environment continues to place greater responsibility on importers.
Customs brokers can help businesses:
- Review declarations
- Manage accounts
- Monitor assessments
- Resolve discrepancies
- Prepare adjustment requests
Action #5: Engage in Strategic Customs Planning
The most successful importers are not simply reacting to trade measures.
They are proactively evaluating:
- Alternative sourcing options
- Cost-reduction opportunities
- Supply-chain diversification strategies
- Long-term compliance improvements
Strategic customs planning often delivers savings that outweigh the cost of the service itself.
Preparing for 2027 Trade Uncertainty
If the past decade has demonstrated anything, it is that international trade policy can change quickly.
Importers should assume that additional measures, regulatory changes, or trade disputes may emerge in 2027. Businesses that have diversified sourcing strategies and strong compliance programs will be better positioned to adapt.
Key preparation strategies include:
Diversify Supply Sources
Relying exclusively on one country or supplier creates risk.
Consider evaluating suppliers in:
- Mexico
- Europe
- Southeast Asia
- South America
Strengthen Trade Compliance Programs
A formal compliance framework should include:
- Written procedures
- Employee training
- Classification controls
- Origin verification processes
- Documentation standards
- Regular audits
Improve Supply Chain Visibility
Businesses should understand:
- Where products are manufactured
- How goods are routed
- What origin documentation exists
- Which suppliers may present customs risks
Budget for Trade Volatility
Future trade measures may affect:
- Landed costs
- Inventory valuations
- Customer pricing
- Purchasing strategies
Organizations that model different cost scenarios will be more resilient when changes occur.
Canada’s new surtax on certain US goods are more than a short-term customs issue. They represent another reminder that international trade is becoming increasingly complex and that compliance failures can have significant financial consequences.
The five most important actions importers should take before 2027 are:
- Review affected products and tariff classifications.
- Validate country of origin documentation.
- Conduct a compliance health check.
- Work with customs professionals to identify savings opportunities.
- Develop a long-term strategy for ongoing trade uncertainty.
Importers that act now can reduce risk, protect margins, improve compliance, and position themselves for whatever changes may come next. For many businesses, the difference between absorbing unnecessary costs and maintaining profitability will depend on the decisions they make today. For more information on the US surtaxes, or for any questions related to importing into Canada, please contact us
Clayton Castelino is the author of this blog and Senior Vice-President of Orbit Brokers, where he leads the team with over two decades of experience in customs management and operations. Starting as a Customs Rater in 2004, he steadily advanced through the company, earning his professional customs broker designation and stepping into leadership roles. His deep industry knowledge and commitment to client service continue to guide Orbit Brokers’ growth and success.