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The short answer

Most U.S.–Canada freight mistakes are assumptions: that CUSMA means duty-free, that the broker carries the importer's responsibility, that the carrier's report and the customs entry are the same, that the crossing can be chosen on the day, or that one permit covers both countries. Before pickup, make sure four views of the shipment agree: the physical freight, the transport plan, the customs file and the carrier's report.

This page is part of the U.S.–Canada freight shipping guide.

The twelve mistakes

Twelve mistakes and what to do instead

  1. Treating CUSMA as "everything is duty-free"Confirm classification, the origin rule and current measures for the product. See CUSMA / USMCA.
  2. Naming the importer at pickupIdentify the Canadian importer of record and its CARM readiness when the load is set up. See CARM explained.
  3. Assuming the broker owns the importer's liabilityGive the broker complete facts; the importer stays liable. See customs brokers.
  4. A vague commercial invoiceReplace "parts" or "equipment" with a specific description, quantity, value and origin. See Canada freight documents.
  5. Forgetting carrier reporting is separateConfirm the carrier's eManifest data is sent and validated, not only that the entry is ready. See carrier codes and eManifest.
  6. Choosing the crossing after dispatchConfirm the port before departure so broker, carrier report and route agree. See border crossings.
  7. An impossible post-border appointmentAllow for the queue, possible examination, weather and driver hours.
  8. Assuming every 53-foot trailer is the sameIf fit is close, confirm the actual equipment's interior and payload. See Canada freight equipment.
  9. Planning oversize as a normal cross-border loadPlan every state, the crossing and every province as one route. See oversize freight to Canada.
  10. Ignoring current surtaxesCheck current CBSA notices for the actual product before dispatch. See duties and taxes.
  11. Inconsistent shipment factsReconcile the quote, invoice and bill of lading before either system receives them.
  12. Hiding unknownsLabel an open question "confirmation required", give it an owner and resolve it.

How the four views fit together

  • Physical freight: what is actually on the dock.
  • Transportation plan: trailer, lane, timing and crossing.
  • Customs file: invoice, origin, value, importer and broker.
  • Carrier report: the electronic cargo and conveyance data for this movement.

When the four agree, the shipment is much easier to run. When they disagree, the border is where it shows.

What changes the plan

A first-time importer, a new product, a regulated commodity or an oversize load each turn a routine lane into one that needs more lead time. Say so at the quote stage.

Common failure points

The same few show up again and again: a quote that says 10 pallets at 18,000 lb and an invoice that says 12 pallets at 22,000 lb; a broker who has never seen the carrier's reference; a delivery booked for the hour after crossing.

Before dispatch

  • Importer of record and CARM readiness confirmed
  • Customs broker delegated and holding the documents
  • Invoice specific, and consistent with the bill of lading
  • Origin and current measures checked for the product
  • Carrier code, eManifest timing and references confirmed
  • Crossing confirmed with broker and carrier
  • Equipment confirmed against the freight
  • Delivery appointment allows for border time
  • Open questions labeled and owned

Common questions

Which mistake causes the most delay?

It varies by shipment, but missing importer readiness and mismatched references between carrier and broker stop trucks outright.

Is a first cross-border load riskier?

It has more unknowns: new importer setup, new broker relationship, new product questions. Allow more lead time.

Can FCC check the customs side?

We can ask the right questions and line up the transportation references. The customs answers come from the importer and its licensed customs broker.

Want a second look before dispatch?

Send the load details and what you know about the border plan, and we will flag the transportation gaps before the truck is booked.

Request a Freight Quote

Official sources

Last verified: 27 September 2026 against the official sources listed.