Austria Tax ID Numbers

Abgabenkontonummer (ATIN)

For Individuals, Entities, Example: 22-345/6781

The Austrian Abgabenkontonummer (ATIN) is 9 digits where the first two digits represent the issuing tax office and the last digit is a check digit. The Local Tax Offices issue TINs to the taxpayers having their residence in the area of competence of these Offices, when they ask the local office for a service. This means that a TIN can change when a taxpayer changes residence.

Umsatzsteuer-Identifikationsnummer (UID)

For VAT, Example: AT U12345675

The Austrian Umsatzsteuer Identifikationsnummer (UID) is 9 characters where the first character is the letter U and an optional prefix of AT. The last digit is a check digit.

Format Guide: N = Number; A = Letter; X = Number or Letter
Learn how to integrate Tax ID Pro into your software or web app

Check Tax ID Numbers for Over 100 Countries

You can integrate our API into your application. Sign up for a free trial.

Let's Validate

Enter your email address to get started.