How to Invoice a Client in European Union

A complete guide to VAT-compliant invoicing

An EU invoice must carry every field set by the EU VAT Directive (2006/112/EC): date of issue, a sequential number, supplier and customer VAT identification numbers, full names and addresses, a description of the goods or services, quantity, unit price, VAT rate, VAT amount and total. Standard rates vary by member state, 17% to 27%. For cross-border B2B services, validate the buyer's VATIN in VIES and cite Article 196 instead of charging VAT.

Invoicing in European Union requires compliance with local VAT regulations and specific formatting standards. Whether you are a freelancer, small business owner, or agency, this guide covers everything you need to create professional, legally compliant invoices in European Union using EUR (€).

Legal Requirements for European Union Invoices

✓Include your VAT Identification Number (VATIN) in the format of the country prefix followed by the national number (e.g., DE123456789, FR12345678901). Each EU member state issues its own VATIN format.
✓Apply intra-community supply rules for B2B sales of goods between EU member states. These supplies can be zero-rated (0% VAT) when the buyer provides a valid VATIN and the goods are physically transported to another member state.
✓Apply the reverse charge mechanism for B2B cross-border services within the EU. Under reverse charge, you invoice without VAT and the buyer self-assesses VAT in their own country at their local rate.
✓Use the One-Stop Shop (OSS) for cross-border B2C sales of digital services and distance sales of goods. OSS allows you to register in a single EU member state and report VAT for all EU B2C sales through one return.
✓Maintain strict sequential invoice numbering with one or more series. Gaps in numbering may trigger audit inquiries. Many member states require invoices to be numbered in an unbroken sequence within each calendar year or fiscal period.
✓Include all mandatory fields as specified by the EU VAT Directive (2006/112/EC): date of issue, sequential number, supplier and customer VATIN, full names and addresses, description of goods or services, quantity, unit price, VAT rate, VAT amount, and total.
✓Prepare for e-invoicing mandates that are being adopted across the EU. Countries like Italy, France, and Germany are implementing mandatory B2B e-invoicing, and the EU Commission has proposed an EU-wide standard under ViDA (VAT in the Digital Age).

Step-by-Step: Create an Invoice for European Union

Follow these steps to create a compliant European Union invoice with proper VAT handling.

Estimated time: About 10 minutes

1
Set Up Your VAT Number and Business Details
Enter your VAT Identification Number in the correct national format, your legal business name, and registered address. If you operate in multiple EU countries, you may have a VATIN for each country of registration.
2
Verify Client VAT Number via VIES
Use the VIES (VAT Information Exchange System) database to validate your client's VATIN before invoicing. A valid VIES check is required to zero-rate intra-community B2B supplies. Keep a record of the VIES validation result and date as proof.
3
Determine the Supply Type
Classify the transaction as domestic, intra-community B2B, intra-community B2C, export (outside EU), or import. The supply type determines the VAT treatment: domestic supplies use local VAT rates, B2B cross-border services use reverse charge, and B2C cross-border digital services may fall under OSS.
4
Add Line Items with Correct VAT Rates
Create line items with descriptions, quantities, and unit prices. Apply the correct VAT rate: standard rate (varies from 17% in Luxembourg to 27% in Hungary), reduced rate, or zero rate for qualifying intra-community supplies or exports.
5
Add Reverse Charge Notation Where Required
For B2B cross-border services and intra-community supplies, include the mandatory statement 'Reverse charge - Article 196 of Council Directive 2006/112/EC' (or the relevant article). This notation is a legal requirement and its absence can invalidate the zero-rating.
6
Set Payment Terms in EUR or Local Currency
Specify payment terms and the due date. If invoicing in a currency other than your reporting currency, include the exchange rate used and the ECB reference rate date. SEPA bank transfers are the standard payment method across the Eurozone.
7
Generate a Compliant PDF Invoice
Create a PDF that includes all fields mandated by the EU VAT Directive. Ensure the invoice is in a language acceptable to both parties and the relevant tax authorities. Some member states require invoices to be in the national language or provide a translation.
8
File VAT Returns and EC Sales Lists
Report the invoice in your periodic VAT return (monthly or quarterly depending on your country). For intra-community B2B supplies, also file an EC Sales List (recapitulative statement). OSS returns are filed quarterly through your country of registration.

Tips for Invoicing in European Union

Always validate your client's VATIN through the VIES system before zero-rating an intra-community supply. An invalid or unregistered VATIN means you must charge local VAT at your country's rate, and a post-hoc correction can be costly and complex.
Take advantage of the One-Stop Shop (OSS) to simplify cross-border B2C sales. Instead of registering for VAT in every EU country where you have customers, OSS lets you report and pay VAT through a single registration in your home country.
Be aware that distance selling thresholds were replaced by a single EU-wide threshold of €10,000. Below this threshold, you can apply your home country's VAT rate to B2C cross-border sales. Above it, you must charge the destination country's rate (or use OSS).
Check whether you need to file Intrastat declarations for physical goods moving between EU member states. Thresholds vary by country, and Intrastat is separate from your VAT return and EC Sales List obligations.
Implement digital archiving for your invoices as the EU moves toward mandatory e-invoicing. Ensure your archived invoices maintain their authenticity, integrity, and readability throughout the required storage period (typically 5–10 years depending on the member state).

European Union Invoicing FAQ

How does the reverse charge mechanism work?

Under the reverse charge mechanism, the supplier issues an invoice without charging VAT, and the buyer is responsible for reporting and paying the VAT in their own country. The supplier must include a notation on the invoice referencing the relevant article of the VAT Directive. The buyer accounts for VAT as both output tax (owed to their tax authority) and input tax (claimable as a credit), resulting in a net zero effect for businesses with full recovery rights.

What is the One-Stop Shop (OSS) and do I need it?

The OSS is a simplified VAT reporting system for cross-border B2C supplies within the EU. It allows businesses to register in a single EU member state and file a quarterly return covering all their EU B2C sales, rather than registering for VAT in each country where they have customers. You should use OSS if your cross-border B2C sales of goods or digital services exceed the €10,000 EU-wide threshold.

What mandatory fields must an EU invoice contain?

Under the EU VAT Directive, an invoice must include: the date of issue, a unique sequential number, the supplier's and customer's full names and addresses, both parties' VAT identification numbers (for B2B), a description of the goods or services, the quantity, the unit price excluding VAT, the applicable VAT rate(s), the VAT amount, and the total amount payable. For exempt or reverse-charged supplies, a reference to the relevant legal provision must be included.

Do I need to charge VAT on sales to other EU countries?

It depends on whether the buyer is a business or a consumer. For B2B sales, you generally apply the reverse charge (no VAT charged) if the buyer has a valid VATIN. For B2C sales, you charge the destination country's VAT rate once your cross-border B2C sales exceed €10,000 per year. Below this threshold, you may charge your home country's rate. The OSS scheme simplifies compliance for B2C cross-border transactions.

How should I handle invoicing in multiple currencies within the EU?

You can issue invoices in any currency, but the VAT amount must be expressed in the currency of the member state where the VAT is due. If you invoice in a different currency, you must convert the VAT amount using the ECB exchange rate on the date the invoice is issued, or the rate published by the relevant national authority. Keep a record of the exchange rate used for each invoice for audit purposes.