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The short answer

Most preventable Canada border delays trace back to one of five things: an incomplete or inconsistent commercial invoice, an importer not ready in CARM, a customs broker without the paperwork, a carrier eManifest report that does not match the broker's release request, or a port changed on the day. Check each before pickup. Examinations cannot be prevented, so build a schedule that survives one.

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

How a delay happens

At a Canadian port, release depends on two filings matching: the carrier's eManifest report and the customs broker's release request, joined by the cargo control number. A non-bonded carrier must have release at the first port. If either filing is missing, late, or describes a different shipment, the truck waits until someone fixes it, often by phone, while the driver's clock runs.

The preventable causes

  • An incomplete or inconsistent invoice. Vague descriptions, wrong buyer, missing origin, wrong currency, or counts that differ from the bill of lading. See Canada freight documents.
  • The importer not ready. No CARM account, no RM number, or the broker not delegated. See CARM explained.
  • The broker without the shipment. The truck is approaching while the broker still waits for the invoice or a product answer.
  • Failed PARS or an eManifest problem. The references do not match, the data was late, or it describes something different. See carrier codes and eManifest.
  • A changed port. The broker, the carrier's report and the route all named another crossing. See Canada border crossings.
  • A regulated product. Food, agriculture, vehicles and other controlled goods can need another department's permit.
  • An open classification, origin or surtax question. See duties and taxes.

What cannot be prevented

CBSA can examine any shipment, and no planning can guarantee a load will not be selected. Winter storms, bridge congestion, crashes, construction and holiday volume also happen. Check current commercial wait times on the day, and build appointments with enough slack that one examination does not break every downstream stop.

Hours of service do not reset at the border. A same-day delivery after the crossing has to fit loading, travel, the queue, customs and the miles to the consignee inside the driver's day.

What changes the plan

  • First-time importers and new products need more lead time before the border is predictable.
  • Tight post-border appointments turn a short hold into a missed delivery, and possibly detention or layover.

A pre-border checkpoint

  • Broker has the invoice and documents
  • Importer ready in CARM, broker delegated
  • Release request filed against the carrier's cargo control number
  • Carrier's eManifest data sent and validated in time
  • Driver has the crossing and instructions
  • Delivery appointment still realistic

Common questions

What is a failed PARS?

The truck arrives and the release request is not on file, or does not match the carrier's cargo control number, so the goods cannot be released at the first port.

Can FCC get a truck through customs faster?

No. We are not a customs broker and cannot influence CBSA. We coordinate the transportation side and make sure the carrier and broker have matching references early.

Who pays for the waiting time?

That depends on the carrier's terms and the cause. Detention and layover terms should be on the rate confirmation.

Want the border built into the plan?

Send the lane, freight, crossing and broker details, and we will line up the transportation references with the customs side before pickup.

Request a Freight Quote

Official sources

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