---
id: "at_vat"
kind: "datatype"
status: "draft"
is_pii: true
categories: ["finances", "companies"]
country: ["AT"]
langs: ["de"]
quality: 93
url: "http://registry.apicrafter.io/datatype/at_vat"
---

# Austrian VAT identification number (UID) (`at_vat`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

Austrian VAT identification number (Umsatzsteuer-Identifikationsnummer, UID). In the EU form it is ATU followed by eight digits. The last digit is a check digit.

- Parent datatype: `euvat`
- Personal data (PII): yes
- Categories: Finances and banking (finances), Companies/business/organizations (companies)
- Countries: Austria (AT)
- Languages: German (de)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^ATU\d{8}$
```

Check digit algorithm: `at_uid`

## Examples

- `ATU13585627` — valid check digit
- `ATU13585626` (invalid example) — wrong check digit
- `AT13585627` (invalid example) — the letter U is missing

## Mappings

- fta: `IDENTITY.VAT_AT`
- orgid: `AT-UID`
- purview: `Austria Value Added Tax (VAT) Number`, `Austria value added tax`
- schema_org: `vatID`
- stdnum: `at.uid`

## Supported by tools

- `awsglue`
- `azureailanguage`
- `dataprep`
- `fta`
- `microsoftpurview`
- `pythonstdnum`
- `talend`

## Translations

- de: Umsatzsteuer-Identifikationsnummer (UID)

## Sources

- wikipedia: <https://en.wikipedia.org/wiki/VAT_identification_number>
- doc: <https://ec.europa.eu/taxation_customs/vies/>
- other: <https://arthurdejong.org/python-stdnum/doc/2.2/stdnum.at.uid.html>
- other: <https://docs.dataprep.ai/user_guide/clean/clean_at_uid.html>

## Quality

Score 93/100. Missing: second example.

JSON: <http://registry.apicrafter.io/api/v1/datatypes/at_vat.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/AT/finances/at_vat.yaml>