---
id: "at_tin"
kind: "datatype"
status: "draft"
is_pii: true
categories: ["pii", "finances"]
country: ["AT"]
langs: ["de"]
quality: 75
url: "http://registry.apicrafter.io/datatype/at_tin"
---

# Austrian tax identification number (`at_tin`)

> **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 tax number (Steuernummer): a two-digit tax office code, three digits and four digits, often written with a hyphen and a slash.

- Personal data (PII): yes
- Categories: Personally identifiable information (pii), Finances and banking (finances)
- Countries: Austria (AT)
- Languages: German (de)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^\d{2}-?\d{3}/?\d{4}$
```

## Mappings

- dpv: `pd:OfficialID`
- purview: `Austria tax identification number`, `EU Tax Identification Number (TIN)`, `EU Tax identification number`
- schema_org: `taxID`
- stdnum: `at.tin`

## Supported by tools

- `awsglue`
- `azureailanguage`
- `microsoftpurview`
- `pythonstdnum`
- `snowflake`

## Sources

- doc: <https://learn.microsoft.com/en-us/purview/sit-defn-austria-tax-identification-number>

## Quality

Score 75/100. Missing: examples, negative example, translation.

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