EU VAT Registration and OSS for E-Commerce 2026 – Complete Guide

VAT registration across European countries requires not only a general knowledge of tax systems, but also a solid understanding of local regulations. Each EU member state has its own rules, rates, and procedures — and navigating these correctly is essential for any e-commerce business operating across borders.

VAT Registration in the EU: What E-Commerce Sellers Need to Know

For e-commerce businesses, VAT registration takes on a more complex structure than for traditional companies. Importantly, VAT registration does not mean establishing a company or branch in a foreign country. In most cases, registration alone is sufficient, giving the business NETP (Non-Established Taxable Person) status. This allows the company to fulfil its VAT obligations in a given country without being taxed on profits there — which is particularly relevant for businesses without a physical office, retail premises, or employees in that country.

When Is EU VAT Registration Required?

VAT registration in an EU member state is required in several situations:

• Intra-Community transactions — if you plan to sell goods or services to business customers in other EU countries
• Storage of goods abroad — storing inventory in a foreign warehouse, including Amazon FBA and other fulfilment centres, triggers a local VAT registration obligation in that country
• Movement of goods — transferring stock between EU countries creates VAT obligations in the countries involved
• Import or export of goods — importing goods into the EU or exporting them outside it
• B2C distance sales exceeding €10,000 — once your total cross-border B2C sales within the EU exceed the pan-EU threshold of €10,000 annually, VAT must be accounted for in the customer’s country (unless you use the OSS procedure)

VAT registration is also free of charge in most EU countries, including Poland, where sole traders register at their local tax office and legal entities at the office responsible for their headquarters. For businesses without a seat or permanent establishment in Poland, registration is handled by the Second Tax Office Warsaw-Śródmieście.

Poland-Specific: VAT Exemption Threshold

In Poland, businesses whose taxable sales did not exceed PLN 240,000 in the previous fiscal year are exempt from VAT under Article 113(1) of the VAT Act (threshold raised from PLN 200,000 as of 1 January 2026). Once this threshold is exceeded, VAT registration becomes mandatory. It is worth noting that exemption thresholds vary significantly between EU member states — and that even if a reduced VAT rate does not apply to a product in Poland, a preferential rate may exist in another EU country. Consulting a tax advisor before entering new markets is strongly recommended.

The EU VAT Registration Process

Registering as an EU VAT taxpayer should be completed before conducting the first foreign transaction. The process typically involves:

• Submitting a registration application — in person, by post, or electronically (in Poland, this can be done as part of the CEIDG-1 application for sole traders, or via the Tax Portal)
• Checking the option to receive confirmation of registration status, which ensures visibility in the VIES (VAT Information Exchange System) database
• Optionally authorising a tax representative or advisor to handle the process — recommended for complex situations

Once registration is complete, the business receives a European Tax Identification Number (TIN) with the relevant country prefix (e.g. “PL” for Poland). This number must be used in all international transactions.

Processing times vary by country and can range from two weeks to two months, depending on local procedures and anti-fraud verification requirements.

Documents Commonly Required

• Company documents: articles of incorporation and proof of registration
• Identity documents of owners or authorised managers
• The company’s tax identification number
• Description of the circumstances giving rise to the VAT obligation
• Details of planned or completed intra-Community transactions

Cessation of Intra-Community Transactions

If a business ceases conducting intra-Community transactions in Poland, this must be reported to the competent tax office within 15 days of the date on which the activity ended.

EC Sales Lists (Recapitulative Statements)

VAT taxpayers — both active and exempt — who are registered for EU VAT must submit EC Sales Lists (recapitulative statements) on a monthly basis. The electronic declaration must be submitted by the 25th day of the month following the month in which the tax obligation arose in connection with the relevant transaction or goods movement under call-off stock arrangements.

VAT OSS — Simplifying Cross-Border VAT for E-Commerce

The One Stop Shop (OSS) scheme, in force since 1 July 2021, is the key simplification tool for e-commerce businesses making cross-border B2C sales within the EU. Instead of registering for VAT in every country where customers are located, a business can file a single quarterly OSS return in its home country, and the tax authority distributes the VAT to the relevant member states.

OSS covers: intra-Community distance sales of goods, B2C supplies of services where the place of supply is in another member state, and certain domestic supplies facilitated by electronic interfaces.

The €10,000 Threshold and Your Options

When your total cross-border B2C sales within the EU remain below €10,000 net per year, VAT can be charged at your home country’s rate and declared domestically. Voluntary registration for OSS is still possible below this threshold — which can protect businesses that are approaching the limit from having to register locally in multiple countries at short notice.

Once the €10,000 threshold is exceeded, three options are available:

1. Local VAT registration — register and settle VAT directly with the tax authority in each EU country where goods are delivered to consumers. This is necessary regardless of OSS if goods are stored in that country.

2. OSS procedure — register for OSS in your home country and file a single quarterly return there. Particularly suited to businesses selling from one country without foreign warehouses or fulfilment centres.

3. Combination of OSS and local VAT — when holding stock in foreign warehouses, local VAT registration is required in those countries for domestic sales, while OSS is used to report distance sales made from those warehouses to consumers in other EU countries.

Important: OSS does not allow retroactive declarations. If a business exceeds the threshold and has not registered in time, it must register with the local tax authority and settle previous transactions through a local VAT return. Particular vigilance is recommended during periods of high sales volume such as Black Friday or the holiday season.

OSS Registration Process (Poland)

To register for OSS in Poland, businesses submit an application electronically through the tax authority’s portal. The application requires company name, address, and VAT number. It is processed by the Second Tax Office Warsaw-Śródmieście.

Standard OSS registration takes 2–4 working days. If a power of attorney is required (which must be submitted and accepted before the OSS application itself), the total process may take 10–15 working days.

Registration takes effect from the beginning of the next calendar quarter after the quarter in which the application was submitted. If a business begins making qualifying supplies before that date, it must notify the Second Tax Office Warsaw-Śródmieście by the 10th day of the month following the first qualifying supply, and the OSS procedure will apply from that date.

OSS Returns: Deadlines and Corrections

OSS returns are filed quarterly, by the end of the month following each quarter:

• Q1 (January–March): by 30 April
• Q2 (April–June): by 31 July
• Q3 (July–September): by 31 October
• Q4 (October–December): by 31 January

Corrections to OSS returns are not made by amending the original return. Instead, any correction must be included in a subsequent OSS return, submitted within three years of the original deadline.

SME VAT Exemption Scheme (from 2025)

From 1 January 2025, a new EU-wide SME scheme allows small businesses with EU-wide turnover below €100,000 to apply VAT exemption not only domestically but in other EU member states — provided turnover in each country stays below that country’s national threshold (capped at €85,000). This is an alternative to OSS registration and may suit very small cross-border sellers. Note that businesses using the SME scheme cannot also use OSS for the same transactions.

What’s Coming: ViDA

The EU’s VAT in the Digital Age (ViDA) package was adopted on 11 March 2025 and is being rolled out progressively. OSS-related clarifications will apply from 1 January 2027, with broader Single VAT Registration reforms and further OSS extensions beginning from 1 July 2028. Businesses should ensure current OSS setups are compliant while preparing for these future changes.

Summary

For e-commerce businesses expanding into EU markets, the key steps are: register for VAT where legally required, monitor the €10,000 distance sales threshold, and consider OSS as the primary tool for managing multi-country B2C VAT obligations. Local registration remains necessary wherever stock is held. Strategic analysis of VAT rates across member states — including preferential rates that may not apply domestically — can meaningfully improve margins.

For questions about EU VAT registration or OSS compliance, our team of experts is ready to help: Contact us — amavat®