A VAT invoice in Austria is more than a request for payment — it is the document that proves a taxable supply took place, which is why sole traders and freelancers need to get it right from day one. Get the details wrong and you risk an invoice that your client's bookkeeper rejects, or worse, one that does not hold up with the Austrian tax authority (Finanzamt). Done well, it protects your cash flow, keeps your own records clean, and makes cross-border work far less stressful.
What to include
Every valid Austrian VAT invoice (Umsatzsteuer-Rechnung) must carry a handful of mandatory details. You need your own UID-Nummer (the VAT ID prefixed ATU), the client's VAT number for any B2B customer, a unique Rechnungsnummer, the Leistungszeitraum (the period the service covered), and a clear USt-Ausweis showing the tax broken out. Miss any of these and the invoice becomes hard to enforce — and where VAT is concerned it can be treated as invalid for USt purposes entirely. The invoice date, your full address, and the client's details round out a document nobody can argue with.
How the tax/calculation works
Austrian invoices must show your UID-Nummer, the customer's VAT number for B2B, and the USt amount per line — not just a single total at the bottom. The standard rate is 20%, with reduced rates of 10% and 13% for specific goods and services. This template applies the 20% rate. When you bill a business customer in another EU country, check whether the reverse-charge rule applies before you finalise: you may need to state that the tax is shifted to the recipient, and show 0% with a reverse-charge note instead.
Example line items
Invoice
Austria VAT invoice
- Invoice no.
- INV-2026-014
- Date
- 2026-07-15
From
Your Company
123 Business Rd, Your City
VAT No.: AT123456789
To
Client Name
Client Company, Client City
| Description | Qty | Rate | Amount |
|---|---|---|---|
| Brand design | 1 | €2,400.00 | €2,400.00 |
| Print collateral | 1 | €350.00 | €350.00 |
- Subtotal
- €2,750.00
- VAT (20%)
- €550.00
- Total
- €3,300.00
Notes
Payment within 14 days. Danke.
Example preview — not a real invoice
A typical VAT invoice lists concrete positions so the total is easy to verify. For instance: Brand design at 1 × €2,400.00, and Print collateral at 1 × €350.00. Always show the quantity, the unit price, and the tax amount on each line, then let the grand total add up in plain sight. Itemising like this also helps a client approve payment faster because there is nothing left to query.
Practical tips
Keep every invoice for 7 years — that is the Austrian retention period, and auditors will expect it. Show the tax point date (the date the service was supplied), not just the issue date. Reach for the 13% rate on accommodation and some cultural events, and 10% on essentials like food, but confirm each item against Austrian VAT law. Good habits — consistent numbering, clear payment terms, and prompt delivery — quietly cut down late payments and build the trust that wins repeat work.
Getting the format right is mostly habit: the mandatory fields do not change, the 20% rate stays steady, and a clear layout does half the selling for you. A reliable invoice generator takes the busywork off your plate — formatting the UID-Nummer, splitting the USt per line, and totalling cleanly — so the only thing left is the work you actually enjoy.