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What is my IOSS Identification Number?

Obtain your Import One-Stop Shop (IOSS) identification number by registering your business on the IOSS portal of any EU Member State, or contact Avalara for help getting started with IOSS

The IOSS is an EU VAT registration system effective on July 1 2021. IOSS registrations are valid for all distance sales of imported goods made to buyers in the EU. Registered sellers must apply VAT when selling goods to a buyer in an EU member state. Businesses that are not based in the EU may need to appoint an EU-established intermediary.

The IOSS system is one of many EU VAT reforms summarized in greater detail on


Need help with IOSS VAT registration?

Contact your Avalara Account Manager for help registering for IOSS or obtaining an EORI number. Registrants can trade into all EU member states with a single VAT registration. Learn more


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