The provision
Two articles of the VAT Directive decide it.
«The amounts which appear on the invoice may be expressed in any currency, provided that the amount of VAT payable or to be adjusted is expressed in the national currency of the Member State, using the conversion rate mechanism provided for in Article 91.»
Art. 230, Directive 2006/112/EC
Article 91(2) then sets the rate: the latest selling rate on the most representative exchange market of the member state when the tax becomes chargeable, or a rate determined by reference to it, under that state's rules - and, in its second subparagraph, a rate every member state must accept instead.
Why the ECB rate is safe in every member state. The second subparagraph of article 91(2) of the VAT Directive, inserted by Directive 2010/45/EU, says member states shall accept the use of the latest exchange rate published by the European Central Bank at the time the tax becomes chargeable, and that conversion between two currencies other than the euro goes through the euro rate of each. It is an obligation on the state, not an option for the taxpayer. The same sentence lets a member state require you to notify it that you use the ECB rate; ask your accountant whether your member state does.
When it reaches you
If you sell through the stores, this bites in one case.
Article 230 constrains the amount of VAT payable or to be adjusted. An app developer's ordinary invoice to a store or an ad network carries no VAT amount at all: it is a reverse-charge supply to another member state, or a supply outside the scope entirely. Where there is no tax line, there is nothing for the currency rule to bind. The rule reaches you on a supply that actually charges that member state's VAT.
What Ureta does about it
The rate is pinned when the month is, and it is kept with the document.
- The ECB reference rate, for every EU tenant. It is the rate article 91(2) obliges every member state to accept. A currency other than the euro is converted through the euro, as the same article says.
- The rate is pinned per month and stored, so a document issued last March still reports the rate it carried in March rather than a number recomputed today.
- Nothing is guessed. Where no rate from a defensible authority is available for a currency, the engine refuses to issue rather than putting a plausible wrong number on a legal document.
How this page was read
Every sentence above came from the text, and here is which text and when.
You sold. The rest is handled.
Ureta is income-reporting software for app creators. It fetches every store and ad network, converts at a rate your own authority must accept, and has the month's documents ready before the deadline.
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