Navigating customs documentation can be one of the most challenging parts of importing and exporting goods. At Maple Customs Brokers Inc., we make it easier.

Whether you’re a first-time importer or an experienced global trader, having the right forms — and knowing how to complete them — is critical for avoiding costly delays, fines, or shipment holds. That’s why we’ve compiled a comprehensive library of the most commonly used customs documents, along with clear instructions and examples to help you complete them correctly.

Common customs forms

Below are some of the key documents that importers and exporters most frequently need. All files are available for download in fillable PDF format.

1. Canada Customs Invoice (CCI)

   Required for most commercial goods imported into Canada. The CCI provides detailed information about the shipment’s contents, value, and country of origin.

   
   

2. Commercial Invoice Template

   A standard form used worldwide to describe the goods sold, including their value, description, and terms of sale.

   
   

3. CUSMA / USMCA Certificate of Origin

   Certifies that goods qualify for preferential tariff treatment under the Canada–United States–Mexico Agreement.

   
   

4. B3 – Canada Customs Coding Form

   The official accounting document used by CBSA to assess duties and taxes on imported goods.

   
   

5. Importer/Exporter Account Application (BN)

   Used to register for a Business Number (BN) with the Canada Revenue Agency to import or export commercially.

   
   

6. Courier LVS (Low Value Shipment) Form

   For small parcels valued under CAD $3,300, allowing expedited customs clearance through our LVS service.

Each of these forms serves a specific purpose in the customs process. Using the right one — completed accurately — helps prevent clearance issues and ensures compliance with CBSA regulations.

How to fill out forms

To assist our clients, Maple Customs provides step-by-step completion guides for each major form. These walkthroughs include annotated examples, highlighting key fields and explaining what information is required.

You’ll also find:

• Sample PDFs for reference

• Tips to avoid common mistakes, such as mismatched HS codes, incomplete valuation fields, or missing origin statements

• Guidance on digital submission, where applicable, to speed up your clearance process

If you’re ever unsure about which form applies to your shipment, our licensed customs brokers are always ready to review your documents and confirm compliance before submission.

Why it matters

Accurate documentation isn’t just administrative — it’s the backbone of efficient international trade. Properly completed forms:

• Reduce border delays

• Prevent costly penalties

• Ensure you’re charged the correct duties and taxes

• Build a trustworthy record with customs authorities

At Maple Customs Brokers Inc., we believe paperwork shouldn’t stand between you and smooth global trade.