Import One Stop Shop (IOSS) Number: Registration, Requirements & EU VAT for Ecommerce Sellers

Sell to customers in all 27 EU countries in as little as three working days.
Home  >> IOSS Number: How to Register & Collect EU VAT (2026)

Wherever your business is based, sell to customers across the EU with IOSS

What is IOSS?

IOSS is an optional EU VAT scheme that allows businesses to sell to customers all over the EU on a single VAT return. It was introduced alongside One Stop Shop (OSS) in July 2021 to replace low-value consignment relief.

Can I Register for IOSS?

You can register for IOSS if:

  • Your business is B2C
  • You sell goods located outside the EU at the point of sale
  • You ship your goods in consignments with a value of EUR 150 or less

How do I get an IOSS Number?

To get an IOSS number, you'll need to register for the scheme. When you're registered, you'll be given an IOSS number unique to your business. Registering is simple, and we can get the process started with a few details.

The rules change depending on what you're selling and where from. One Stop Shop might be a better fit for your business.

 Find out with our 30-second quiz.

What is an IOSS Number?

An IOSS number is an identification number assigned to business registered for Import One Stop Shop. Your IOSS number tells Customs that you’ve already collected VAT on the sale. Customs will clear the shipment without requiring your customers to do anything.

How does IOSS work?

Rather than registering and filing a VAT return in every EU country where you have customers, you register for IOSS. When you make a sale to an EU customer, you collect VAT on the sale at the rate local to them. You file one return and make one payment to the tax authority where you registered for IOSS.

Is IOSS Compulsory?

IOSS is a voluntary scheme, meaning it’s your choice whether you register. If you regularly ship orders worth under EUR150 to the EU, we recommend you do. Businesses registered for IOSS provide a smoother delivery experience for their customers whilst keeping their vat compliance simple.

Ready to Register for IOSS?

IOSS registration can be completed in as little as 3 working days —start on Monday, and you could have your IOSS number by Thursday.

Still have some questions?

Think that IOSS might be the right for your business but got some questions? Maybe you’d just like some guidance through the sign-up process?
Talk to us by booking a call:
Schedule a free call

Ready to sign up?

Ready to get registered for IOSS? Get the registration started now with our IOSS Express service, and have your IOSS number in as little as three working days:
Qualify for express IOSS Today

The simplest way to handle your IOSS Returns

Connect your store to Tribexa and let us handle your VAT returns—just review and approve. Our API auto-pulls sales data from Amazon, Shopify, and WooCommerce, so there's nothing for you to upload.

Get all the details

Find out more about IOSS, Union OSS and Non-Union OSS from our resources.

IOSS Number Basics for Ecommerce Brands

Thinking of getting an IOSS number? Get all your most pressing IOSS questions answered, so you know if it's a good fit for you.
GET THE ANSWERS
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