Recent CBSA D-memorandum revisions and customs notices contain several different types of change. Some alter the amount payable or the tariff treatment of imported goods. Others update CARM terminology, clarify an existing procedure or place an operational requirement primarily on a carrier or courier. Treating all of them as equivalent can lead to missed surtaxes, unnecessary entry changes or weak documentation during a verification.
Start by separating legal effect from administrative guidance
The most important distinction is whether a publication creates a new import measure, changes how an existing measure is administered or simply explains an existing process. The July-to-September 2026 publications reviewed here include all three categories.
| Publication or measure | Practical category | Date to control |
|---|---|---|
| Wood cabinets and vanities safeguard | New surtax measure | July 31, 2026 |
| United States Surtax Order (2026) | New surtax measure | September 8, 2026 |
| D11-6-8 | CARM-aligned verification guidance | Revision dated September 9, 2026 |
| TRQ goods entering bonded warehouses | Policy clarification; no policy change | No new effective date |
| Rail in-transit reporting | Operational reporting clarification | No separate future date stated |
The dates and classifications in this table come from the applicable CBSA customs notices and D-memorandums. The bonded-warehouse publication expressly states that its underlying policy has not changed, while the rail notice describes reporting procedures pending later incorporation into Memorandum D3-6-6. CBSA notice CN26-17; CBSA notice CN26-23; Memorandum D11-6-8; CBSA notice CN26-20; CBSA notice CN26-16.
Measures that can change the amount payable
Wood cabinets and vanities
A provisional safeguard surtax applies to certain wood cabinets, vanities and related subassemblies from July 31, 2026. The covered products include certain kitchen, bathroom and closet cabinets and vanities, including some flat-packed, unfinished and unassembled goods. The rate is 25% of value for duty.
For covered goods, the Commercial Accounting Declaration uses safeguard code 26169A, and the amount is entered in the CAD’s “Safeguard” field rather than the ordinary surtax field. The measure excludes certain origins, including Canada, the United States, Mexico, Chile, Israel/CIFTA beneficiaries and listed developing countries. Goods already in transit to Canada on July 31 may qualify for an exception where the importer has supporting transport and cargo documentation. CBSA notice CN26-17.
Importers of furniture, renovation and building-material products in Mississauga, Brampton and the wider GTA should have their broker review the product scope, origin, in-transit status and CAD field mapping separately. A product description such as “cabinet parts” is not, by itself, a substitute for checking whether the imported goods fall within the notice.
Specified U.S.-origin goods
The United States Surtax Order (2026) introduced counter-surtaxes on specified U.S.-origin goods effective September 8, 2026. Depending on the product, the rates are 15%, 25% or 50% of value for duty. The surtax is in addition to ordinary customs duties and applicable taxes.
The control is not limited to the supplier’s location. Importers generally need to establish whether the goods are covered, verify origin and confirm classification. This is relevant to GTA manufacturers, distributors and retailers receiving U.S. supply-chain shipments through Ontario crossings, Toronto-area air cargo facilities or other ports. CBSA notice CN26-23.
Preferential treatment for eligible U.K. goods
From September 1, 2026, the United Kingdom, Channel Islands and Isle of Man were added to the Customs Tariff for Comprehensive and Progressive United Kingdom Tariff treatment. The revised T2026-2 tariff was made available on September 16, 2026.
Importers claiming preferential treatment should review the tariff item, U.K. origin qualification and supporting certification or other documentation for goods imported after September 1. The change can affect duty treatment only where the applicable origin rules are met. CBSA notice CN26-22.
D-memorandum revisions that change the control environment
D11-6-8: verification records should use the CAD workflow
CBSA revised Memorandum D11-6-8 on September 9, 2026. The revision reflects CARM Release 3, including replacement of the former B3-3 accounting form and B2 adjustment request with the Commercial Accounting Declaration.
This is primarily a verification and records-control issue. Commercial importers subject to a review of origin, tariff classification or value for duty should ensure that response procedures, accounting records, correction processes and broker instructions use CAD and CARM terminology rather than legacy B3 and B2 references. The CBSA page identifies September 9 as the revision date but does not state a separate later implementation date. Memorandum D11-6-8.
For an importer with purchasing and customs teams in Toronto and warehousing in Brampton or Mississauga, the practical question is whether the same transaction record can be traced from purchase order and commercial invoice through the CAD, any correction and the broker’s supporting file. That internal traceability is more important than simply replacing a form name in a procedure manual.
D19-6-3: regulated energy-using products
CBSA revised Memorandum D19-6-3 on July 24, 2026, incorporating updated regulated-product information following Amendment 18 to the Energy Efficiency Regulations. The memorandum concerns commercial imports of regulated energy-using products, including certain appliances and equipment subject to Natural Resources Canada requirements.
Importers should review whether their products are regulated and whether the required information is provided through the Integrated Import Declaration or Single Window Initiative process. The memorandum gives a revision date but does not establish one separate implementation date for all product changes; the underlying regulatory requirements may have their own dates. Memorandum D19-6-3.
D10-15-15: automotive end-use evidence
Memorandum D10-15-15, revised August 14, 2026, merged and replaced prior guidance concerning tariff items 9958.00.00 and 9959.00.00. It addresses parts, accessories and materials used in original-equipment and aftermarket vehicle manufacturing and conditional tariff relief.
Automotive importers and parts suppliers should review qualification and maintain evidence supporting actual end use, including a verifiable part-number audit trail where relevant. The memorandum date is August 14, but the page does not specify a separate effective date. Memorandum D10-15-15.
Notices that clarify operations without creating a new tariff measure
Tariff-rate-quota goods in bonded warehouses
CBSA’s August 21 notice on tariff-rate-quota goods entering customs bonded warehouses does not change the underlying policy. To receive the within-access tariff rate when goods leave the warehouse, the importer generally needs a valid, shipment-specific Global Affairs Canada import permit. The permit may be obtained after warehouse entry if it covers the date of exit or final release. CBSA notice CN26-20.
This matters for importers using bonded facilities around Toronto and other Ontario logistics hubs. The control should connect each shipment, warehouse release date and permit rather than treating the permit as a general authorization for a product category.
Rail and courier reporting
The rail notice clarifies reporting for foreign goods moving through Canada, U.S.–Canada–U.S. movements and Canada–U.S.–Canada movements. Carriers may use an ACI/eManifest rail in-transit manifest or the BSF708 paper process. The notice does not give a separate future implementation date and says the corresponding update will later be incorporated into Memorandum D3-6-6. CBSA notice CN26-16.
A separate notice, effective September 14, 2026, allows authorized Courier Low Value Shipment participants to use third-party air carriers that are not Partners in Protection-certified, subject to conditions. The third-party carrier must remain bonded and present shipments at the designated sufferance warehouse, while the authorized CLVS participant must retain active PIP certification in the air mode. This is relevant to courier imports using Toronto Pearson, but the conditions fall primarily on the participating courier and carrier. CBSA notice CN26-24.
What to discuss with the customs broker
- Which imported products require a new safeguard or U.S.-origin surtax review, and which tariff lines are affected?
- Can origin, classification and value-for-duty evidence support the treatment claimed on the CAD?
- Are the broker’s instructions and internal correction procedures using current CAD/CARM terminology?
- For U.K. goods, is the preferential claim supported by the applicable origin rules and documentation?
- For regulated energy-using products, has the Integrated Import Declaration or Single Window data requirement been checked?
- For automotive relief, TRQ warehouse releases and in-transit rail movements, who owns the evidence, permit and routing controls?
The practical response is not to treat every D-memorandum revision as a new duty and not to dismiss every customs notice as background reading. First identify whether the publication changes the amount payable, the eligibility for tariff treatment, the evidence required during verification or the operational party responsible for reporting. That classification determines the control an importer should review next.