Shipping Across Borders Doesn't Have to Be Complicated
Whether you're sending a gift to a friend overseas or shipping products to international customers, cross-border shipping involves more steps than a domestic delivery. Understanding how customs, duties, and documentation work will help you avoid costly delays and unexpected fees.
How International Shipping Works
When a parcel crosses an international border, it passes through customs — a government authority that controls what enters and exits a country. Customs checks the parcel's contents, declared value, and documentation to determine:
- Whether the item is permitted to enter the country
- What import taxes or duties apply
- Whether any additional inspections are needed
This process can take anywhere from a few hours to several days, depending on the destination country, the item type, and how busy customs is at the time.
Key Documents You'll Need
Commercial Invoice
Required for most international shipments, the commercial invoice lists the sender and recipient details, a description of the goods, quantity, and declared value. This is what customs uses to assess duties.
Customs Declaration Form (CN22 / CN23)
For postal shipments, a CN22 (items under a certain value) or CN23 (higher-value items) form is required. These are usually attached to the outside of the parcel.
Certificate of Origin
Some countries require this document to verify where the goods were manufactured — relevant for trade agreements that affect duty rates.
Understanding Duties and Taxes
Import duties and taxes vary significantly by country and product type. The main charges you may encounter include:
- Import Duty: A percentage of the item's declared value, charged by the destination country
- VAT / GST: Value-added tax or goods and services tax applied on top of the item's value (and sometimes the shipping cost)
- Handling Fee: Some carriers charge a fee for processing customs paperwork on behalf of the recipient
Many countries have a de minimis threshold — a minimum value below which no duties are charged. This varies widely: some countries set it as low as $20, others as high as $800 (as in the US). Check the destination country's threshold before shipping.
DDP vs. DDU: Who Pays the Duties?
| Term | Full Name | Who Pays Duties | Recipient Experience |
|---|---|---|---|
| DDU | Delivered Duty Unpaid | Recipient | May receive unexpected bill before delivery |
| DDP | Delivered Duty Paid | Sender | Smooth delivery, no surprises |
For eCommerce sellers, DDP is strongly recommended to avoid frustrating your customers with unexpected customs bills that can cause refused deliveries and returns.
Tips for Smoother International Shipments
- Always declare accurately. Under-declaring values to avoid duties is illegal and can result in seizure of the parcel.
- Describe contents clearly. Vague descriptions like "gift" or "goods" can trigger customs holds. Be specific: "cotton t-shirt, 2 units."
- Check prohibited items lists. Each country restricts different items. Check before you ship.
- Use a carrier with strong customs clearance expertise — DHL Express and FedEx International are particularly well-regarded for navigating customs efficiently.
- Build extra time into your delivery estimate. Even express international shipments can be held at customs for several days.
Getting Started
International shipping has a learning curve, but once you've completed a few shipments, the process becomes routine. Use your carrier's official resources and customs calculators to estimate duties in advance, and always keep copies of your shipping documentation until the parcel is confirmed delivered.