What Is IOSS and Why Should You Care as a Non-EU Seller?

Since July 2021, the European Union has reshaped its VAT rules for distance sales of goods. One of the most significant changes is the introduction of the Import One Stop Shop (IOSS). This scheme was created to simplify VAT collection on low-value goods (≤ €150) imported into the EU and sold directly to EU consumers.

For non-EU businesses, understanding and using IOSS is crucial. Without it, EU customers may face unexpected VAT charges and handling fees at delivery, resulting in longer shipping times, higher costs, and ultimately a negative shopping experience. In contrast, IOSS enables smooth transactions and strengthens trust with EU customers.

What Is the Import One Stop Shop (IOSS)?

The IOSS is a special VAT simplification mechanism available to businesses selling goods from outside the EU to EU consumers. It allows non-EU sellers, as well as online marketplaces, to register in one EU Member State and report the VAT due on all their B2C sales across the entire EU in a single monthly return. 

The key principles of IOSS are: 

• It applies only to consignments with an intrinsic value not exceeding €150
• It does not cover excise goods (such as alcohol or tobacco)
• VAT is charged at checkout, based on the customer’s country of residence
• The seller (or marketplace) reports and pays the VAT through a monthly IOSS return

By using IOSS, VAT obligations become predictable and centralized, sparing businesses the complexity of registering in every Member State where they sell. mpliance but also for gaining access to the EU’s internal market. 

Who Needs to Use IOSS?

IOSS is particularly relevant for: 

• Non-EU online retailers who sell directly to private customers in EU Member States. 
• Marketplaces and platforms (Amazon, eBay, Shopify, etc.) that facilitate such sales, as they are deemed responsible for VAT collection on behalf of sellers. 
• Non-EU businesses working through intermediaries established in the EU, since an EU-based intermediary is mandatory for IOSS registration. 

While IOSS is not legally compulsory, it has rapidly become the standard solution for cross-border B2C e-commerce into the EU. Businesses not using IOSS risk losing competitiveness, as customers increasingly expect VAT-inclusive pricing and seamless deliveries. 

How Does IOSS Work for Non-EU Businesses?

The process of using IOSS can be described in simple steps: 

1. Customer places an order for goods valued at €150 or less. 
2. VAT is calculated and charged at checkout, based on the VAT rate of the EU country of delivery. 
3. The seller or their intermediary submits a monthly IOSS return, reporting all sales covered under the scheme. 
4. The seller remits the VAT to the chosen EU Member State, which then distributes it to the appropriate Member States of consumption. 
5. Goods arrive at EU customs already “VAT-paid.” By quoting the IOSS number electronically, customs authorities know VAT has been accounted for.
6. Goods are released faster, without the customer paying VAT or handling fees on delivery. 

This process ensures a frictionless shopping experience, reducing abandoned carts and increasing customer satisfaction. ), where a fiscal representative may not be required..  are recurring costs that businesses must plan for. 

What Are the Benefits of IOSS?

Adopting IOSS offers multiple advantages for non-EU businesses: 

• Faster customs clearance: goods are processed quickly, avoiding delays at the EU border
• Simplified VAT compliance: only one monthly return is required, instead of multiple national registrations
• Improved customer experience: no unexpected VAT charges or postal handling fees upon delivery
• Transparent pricing: customers see the final cost, including VAT, at checkout
• Competitive advantage: businesses using IOSS are more attractive to EU consumers compared to those that do not

What Are the Limitations of IOSS?

While IOSS is powerful, it does have limitations: 

• Value threshold: it only applies to goods valued at €150 or less. Orders above this threshold follow normal import VAT rules
• Excise goods excluded: alcohol, tobacco, and other excise products cannot be sold under IOSS
• EU intermediary required: non-EU businesses must appoint an EU-established intermediary, which involves additional administrative and service costs
• Strict reporting obligations: monthly returns must be filed on time, even if no transactions occurred (nil returns)

Businesses should carefully evaluate these conditions to determine whether IOSS is the right tool for their sales strategy. 

Practical Example

Imagine a U.S.-based online retailer selling phone accessories to EU consumers: 

• Without IOSS: 
  • The customer pays the net price at checkout. 
  • At delivery, the courier charges VAT plus handling fees. 
  • Customs clearance takes longer, as import VAT must be processed before release. 

• With IOSS: 
  • VAT is added and collected at checkout. 
  • The IOSS number ensures customs authorities see VAT as already paid. 
  • The parcel is delivered smoothly, without extra charges. 

This simple difference can significantly impact customer loyalty and repeat purchases. 

Conclusion

The Import One Stop Shop (IOSS) has transformed EU e-commerce VAT compliance. For non-EU sellers, it streamlines VAT obligations, prevents border delays, and improves the overall customer journey. 

At Gerlach Customs, we help non-EU companies manage  this system. From IOSS registration to VAT compliance and monthly returns, our team ensures you remain compliant while focusing on your business growth. 

Reach out to us today to learn how we can simplify VAT compliance for your EU operations.