As of October 1, 2026, importers of covered aluminum goods under General Import Permit No. 83 generally need to provide country-of-smelt and country-of-cast information through the Canada Border Services Agency’s Single Window Integrated Import Declaration. Before that date, submission through the IID was optional. For importers routing aluminum through Toronto, Mississauga or Brampton operations, the immediate control question is whether suppliers and customs systems can produce the required data at the time of import.
What changed on October 1
The reporting requirement applies to aluminum goods imported under General Import Permit No. 83. The required information includes the country of largest smelt, the country of second-largest smelt where applicable, and the country of most recent cast. The CBSA notice describes these data elements as information to be provided through the IID.
The change is a reporting obligation rather than a new aluminum duty rate. Importers generally need to treat the smelt and cast fields as part of the import-data package for covered goods. A product may be correctly classified and still require additional origin information about the aluminum’s production stages.
The notice identifies exceptions. The requirements generally do not apply to qualifying CSA importers using the specified release process or to shipments with a total value for duty of $5,000 or less. Importers should assess those conditions against the actual transaction and release process rather than assuming that every aluminum shipment is exempt.
The operational gap is usually upstream
For many importers, the difficult step will be obtaining reliable smelt and cast information before the entry is prepared. Commercial invoices and product descriptions may not contain the required details. The CBSA notice does not replace the importer’s need to establish how the information will be collected, checked and passed into the IID.
Supplier data
Importers can review purchasing and vendor-management processes for covered aluminum products and identify which suppliers can provide the three relevant data points. Where a supplier provides several aluminum inputs or production routes, the importer may need a product-level or shipment-level process that distinguishes the applicable material rather than relying on a broad supplier statement.
- Identify products imported under GIP 83.
- Ask suppliers for the largest-smelt country, second-largest-smelt country where applicable, and most-recent-cast country.
- Define how missing, conflicting or changed supplier information is escalated before release.
- Preserve the supplier response with the commercial and import records for the transaction.
These are control recommendations for managing the new data requirement. The applicable exception for shipments with a total value for duty of $5,000 or less should also be built into the review, because it may affect which transactions require the additional fields.
Broker and software handoff
Importers using a broker can confirm whether the required IID data elements are available in the broker’s intake process and whether the importer’s internal system can transmit or store them in a consistent format. A warehouse or distribution team in Mississauga, Brampton or Toronto may know the shipment is aluminum, but that does not by itself establish the smelt and cast information needed for a covered declaration.
The practical handoff should identify who supplies the data, who checks it against the product and shipment, and who authorizes release when information is incomplete. Importers that use the specified release process associated with a qualifying CSA status should confirm whether the exception applies to their transactions instead of applying it as a blanket rule.
Separate this requirement from other September and October developments
The aluminum reporting change should not be confused with the United States Surtax Order (2026), which took effect September 8, 2026 and applies surtaxes of 15%, 25% or 50% to specified U.S.-origin goods. That order has its own tariff-item, origin and transitional rules. An aluminum shipment may therefore require separate analysis of whether it is covered by the reporting requirement, the surtax order, both or neither.
A further development initiated October 1, 2026 concerns an expiry-review investigation into the existing dumping finding on certain small power transformers originating in or exported from Chinese Taipei and South Korea. That proceeding is not a new duty rate or a final change to treatment. Importers of the subject products may nevertheless need to preserve sourcing, pricing, origin and import records while the review proceeds.
For importers in the GTA, the immediate task is narrower: identify covered aluminum entries, verify the applicable exception, and make smelt and cast data available before the IID submission. The CBSA notice states that the requirement became effective October 1, 2026; internal procedures should therefore distinguish shipments that fall within the rule from those that do not.
Questions to resolve before the next aluminum entry
- Is the product imported under General Import Permit No. 83?
- Can the supplier identify the largest smelt country, second-largest smelt country where applicable, and most-recent-cast country?
- Does the shipment qualify for the stated value-for-duty exception?
- Does a qualifying CSA importer use the specified release process?
- Can the broker or internal customs system capture the required IID data elements?
The answers determine whether the new reporting requirement belongs in the entry workflow. They also give importers a documented basis for handling exceptions rather than treating incomplete aluminum origin data as a last-minute broker query.
Sources: CBSA Customs Notice CN26-15; Canada Gazette, General Import Permit No. 83 reporting framework; Canada Gazette, United States Surtax Order (2026); CBSA small power transformers expiry-review notice.