HTS Number Errors and Carrier Liability: What Canadian Brokers Need to Know

Key Takeaways

• Misclassified HTS numbers on CADs filed under CARM can trigger CBSA verification and AMPS penalties that attach to both importer and broker.
• Carriers moving bonded freight must hold valid CBSA bonded carrier status; using an unregistered trucker compounds liability when the HS code is wrong.
• RPP bond calculations assume accurate HS 6-digit duty rates; a single misclassified container can breach your security floor and freeze releases.
• Vetting carriers for customs-cleared moves is now as critical as vetting them for road safety after recent cross-border broker liability precedents.

When Carrier Vetting Meets HS Code Risk

A Dallas jury verdict in May 2025 ordered CH Robinson and a contracted trucking firm to pay USD 93 million in damages after a fatal highway accident. The US Supreme Court had ruled weeks earlier that freight brokers can be held liable for negligence in carrier selection even when the actual driver works for a third party. The immediate fallout has been a spike in broker insurance premiums and a wave of litigation against 3PLs.

Canadian customs brokers are not exposed to the same road-accident liability, but the verdict highlights a parallel risk that has grown under CARM: when you file a Commercial Accounting Declaration with an incorrect HTS number Canada classification and the carrier moving that freight is not properly vetted for bonded status, both errors compound. CBSA verification can trigger AMPS penalties that attach to the broker, the importer, and in some cases the carrier if the goods were moved in-bond without authorization.

The HS 6-digit tariff code is the foundation of every CAD filed via the CARM Client Portal. Get it wrong and the duty calculation is wrong. Get the duty wrong and your Release Prior to Payment (RPP) bond sizing may be wrong. Get the bond wrong and CBSA can freeze all releases for that importer until the shortfall is covered. If the carrier delivering that misclassified container to a Montreal sufferance warehouse is not a registered bonded carrier, CBSA may treat the move as an unauthorized diversion and assess separate penalties under Customs Act Section 12.

How HS Misclassification Triggers CBSA Verification

CBSA’s risk-assessment engine flags CADs when the declared HS code, value, or country of origin do not match recent import patterns or fall into high-risk product categories. Common verification triggers include:

• First-time HS codes for an importer with no historical data
• Declared value 20 percent or more below comparable shipments on the same tariff line
• CUSMA or CETA preferential origin claims on textiles, steel, automotive parts, or other categories under active origin verification campaigns per CBSA D11-4-16
• Subject goods under SIMA (Special Import Measures Act) where the HS code sits on the active AD/CVD list and the exporter or declared Normal Resale Value do not match prior SIMA case data

When a CAD is selected for verification, CBSA issues a Request for Information to the importer and the broker of record. The importer must provide commercial invoice, packing list, purchase order, and origin documentation within 30 calendar days (extendable to 60 on written request). If the documents reveal that the HS code should have been different and the correct code carries higher MFN duty or makes the goods subject to SIMA AD margins, CBSA reassesses the entry and issues an AMPS penalty under Memorandum D22-1-1 (Level 2 or Level 3 depending on whether the error is first occurrence or repeat).

The broker is jointly liable with the importer for any duty shortfall and for the AMPS penalty if the broker selected the HS code or signed off on the CAD. That liability is not new, but the volume of verifications has increased since CARM Phase 2 Release 3 went live in October 2024. CBSA now has near-real-time access to import transaction data across all registered importers, and the risk-scoring algorithms have been tuned to catch classification errors that previously slipped through.

Bonded Carrier Requirements and In-Bond Moves

When a container arrives at the Port of Montreal or Pearson and is released on PARS (Pre-Arrival Review System) or RMD (Release on Minimum Documentation) for delivery to a sufferance warehouse or inland examination site, the carrier must be a CBSA-registered bonded carrier if the goods are moving in-bond. In-bond means the goods have not yet been formally released and duty has not been paid or secured; the goods remain under CBSA control and the carrier is responsible for delivering them to the destination facility named on the cargo control document.

If the carrier is not bonded and CBSA later discovers the HS code on the in-bond movement was incorrect (triggering a duty reassessment), CBSA may treat the unauthorized carrier as a diversion of secured goods and assess AMPS penalties against the importer, the broker, and the carrier. The penalty range is CAD 3,500 to CAD 25,000 per occurrence under AMPS Level 3.

We have seen cases where an importer used a non-bonded drayage carrier to move a container from the port to a Montreal warehouse because the rate was CAD 150 cheaper than the bonded carrier quote. Two months later CBSA flagged the entry for HS code verification, determined the correct tariff line carried 8.5 percent MFN duty instead of the declared 6.5 percent, and reassessed the entry. CBSA then audited the cargo control record and discovered the carrier was not bonded. The importer paid the duty shortfall, the AMPS penalty for misclassification, and a second AMPS penalty for unauthorized movement. The broker paid a portion of the second penalty because CBSA argued the broker should have instructed the importer to use only bonded carriers for in-bond moves.

RPP Bond Exposure When HS Codes Are Wrong

Release Prior to Payment bonds are sized as a multiple of the importer’s estimated annual duty and GST liability. Most RPP bonds are set at 1.5x to 2x the annual estimate, with a CBSA-mandated minimum of CAD 25,000 for new importers. The bond allows CBSA to release goods before the importer pays the duty shown on the monthly K84 statement (due by the 24th of the following month).

If multiple CADs are filed with understated duty because the HS codes are wrong, the cumulative shortfall can exceed the posted bond. When that happens, CBSA places a hold on all future releases for that importer until the bond is topped up to cover the revised liability. We routinely see this in Q4 when import volumes spike and a handful of misclassified containers from Q2 or Q3 are reassessed after verification. The importer suddenly cannot clear new shipments because the RPP bond floor has been breached.

The broker is responsible for monitoring the client’s bond adequacy and advising when a top-up is needed. If the broker filed the original CADs with incorrect HS codes and did not catch the error before CBSA did, the broker may be on the hook for part of the financial fallout, including demurrage and detention charges that accumulate while the bond issue is resolved.

Vetting Carriers for Customs-Cleared Freight

The Dallas verdict has pushed US freight brokers to tighten carrier vetting procedures: checking safety scores, insurance limits, and driver qualification files before tendering a load. Canadian customs brokers should apply the same rigor to carriers moving customs-cleared or in-bond freight, especially when the HS code on the CAD is high-risk (first-time code, SIMA subject goods, preferential origin claim, or declared value that sits at the low end of the range).

Practical vetting steps:

• Confirm the carrier holds valid CBSA bonded carrier authorization if the shipment will move in-bond at any point (port to warehouse, warehouse to warehouse, port to examination site). CBSA maintains a registered bonded carrier list that brokers can query.
• Request proof of cargo liability insurance with a named-insured clause covering customs duty shortfalls. Standard motor carrier liability policies cover the commercial value of the goods but not the duty exposure.
• Share the CAD HS code and estimated duty with the carrier before pickup so they understand the value at risk and the bonded-status requirement.
• For high-duty shipments (AD/CVD subject goods, restricted categories under CFIA or other OGD), use a carrier you have run before or one recommended by your warehouse partner.

The goal is not to eliminate risk but to avoid compounding an HS code error with a carrier authorization error. If CBSA reassesses the entry and the carrier was properly bonded and insured, the broker and importer can usually negotiate the AMPS penalty down to Level 1 or Level 2 (CAD 200 to CAD 1,500) by demonstrating due diligence. If the carrier was not bonded and the goods were moved in-bond, CBSA treats it as a deliberate circumvention and the penalty jumps to Level 3.

What Brokers Should Do Now

Review your CAD filing checklist to ensure HS code validation is not being skipped in the rush to meet release deadlines. If your brokerage team is filing 50+ CADs per day, consider rotating a senior broker through a weekly HS code audit where they spot-check 10 percent of filings against the commercial invoice and product description. Misclassification errors caught before CBSA flags them can be corrected via a voluntary correction (B2 amendment) within 90 days of release, avoiding AMPS penalties entirely.

For importers bringing in first-time product categories or switching suppliers, run the product specs through HS classification research before the first container ships. A 30-minute classification review can prevent a six-figure duty reassessment and AMPS penalty down the line.

And when quoting drayage or inland moves for clients, confirm the carrier is bonded if the shipment will touch a sufferance warehouse or move in-bond at any stage. The CAD 150 savings on a non-bonded drayage quote is not worth the CAD 10,000 penalty exposure if the HS code turns out to be wrong.

The Dallas verdict will not change Canadian law, but it has focused attention on broker liability in cross-border freight. Canadian customs brokers carry a different liability profile, one that hinges on HS code accuracy, CARM filing discipline, and carrier authorization rather than road-accident negligence. The principles are the same: vet the parties you rely on, document your diligence, and do not let cost pressure override compliance.

If your HS classification program needs a second look or you are not sure whether your drayage carriers are properly bonded for in-bond moves, come talk to a broker. We run CAD filings against these questions every day.

Frequently Asked Questions

What is an HTS number in Canada and how does it affect customs clearance?

Canada uses the HS (Harmonized System) 10-digit code to classify imports and determine duty rates. The first 6 digits follow the international HS convention; digits 7-10 are Canada-specific. Incorrect classification on the Commercial Accounting Declaration (CAD) filed via the CARM Client Portal can trigger CBSA verification under Customs Act Section 42.01 and result in AMPS penalties from CAD 200 to CAD 25,000 per contravention.

Can a Canadian customs broker be held liable for a trucking company’s error?

The broker is not liable for road accidents, but is jointly liable with the importer for customs compliance errors on the CAD, including misclassified HS codes and understated duty. If the carrier is not a registered CBSA bonded carrier and moves in-bond freight, CBSA can assess penalties against the broker for allowing an unauthorized party to handle secured goods.

What is a bonded carrier and why does it matter for HS classification?

A bonded carrier holds CBSA authorization to transport in-bond shipments between ports, sufferance warehouses, or examination sites without release. If the HS code on the in-bond movement document is later corrected post-arrival and the carrier was not bonded, CBSA may treat the move as an unauthorized diversion and penalize the broker and importer under AMPS Level 3 (CAD 3,500 to CAD 25,000).

How does RPP bond sizing relate to HS code accuracy?

Release Prior to Payment (RPP) bonds are calculated as a multiple of estimated annual duty liability. If multiple CADs are filed with incorrect HS codes that understate duty, the cumulative shortfall can exceed the posted security, triggering a hold on all future releases until the bond is topped up. We routinely see Q4 import surges push clients over their RPP floor when a handful of containers were misclassified earlier in the year.

What CBSA verification triggers should I watch for after filing a CAD?

CBSA flags CADs for verification when the declared HS code, value, or origin do not match risk-model expectations. Common triggers include first-time HS codes for an importer, declared value 20 percent or more below recent shipments of the same tariff line, and CUSMA or CETA origin claims on product categories under active CBSA origin verification campaigns (textiles, steel, automotive parts per D11-4-16 guidelines).

How can I reduce customs liability when working with new carriers?

Confirm the carrier holds valid CBSA bonded carrier authorization if they will touch in-bond freight. Request proof of cargo liability insurance with a named-insured clause covering customs duty shortfalls. Share the CAD HS code and estimated duty with the carrier before pickup so they understand the value at risk. For high-duty shipments (AD/CVD subject goods, restricted categories), use a carrier you have run before or one recommended by your sufferance warehouse partner.

Source: The Loadstar