---
id: "autfn"
kind: "datatype"
status: "stable"
is_pii: true
categories: ["pii", "persons"]
country: ["AU"]
langs: ["en"]
quality: 65
url: "http://registry.apicrafter.io/datatype/autfn"
---

# Australian Tax File Number (TFN) (`autfn`)

The tax file number (TFN) is a unique identifier issued by the Australian Taxation Office to each taxpaying entity — an individual, company, superannuation fund, partnership, or trust.

- Personal data (PII): yes
- Categories: Personally identifiable information (pii), Person related (persons)
- Countries: Australia (AU)
- Languages: English (en)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
\d{3}\s\d{3}\s\d{3}
```

## Mappings

- dpv: `pd:OfficialID`
- google_dlp: `AUSTRALIA_TAX_FILE_NUMBER`
- presidio: `AU_TFN`
- purview: `Australia tax file number`
- schema_org: `taxID`
- stdnum: `au.tfn`

## Supported by tools

- `amazonmacie`
- `awsglue`
- `azureailanguage`
- `databricks`
- `dataprep`
- `googledlp`
- `ibmguardium`
- `microsoftpurview`
- `nightfall`
- `openmetadata`
- `presidio`
- `pythonstdnum`
- `snowflake`

## Sources

- wikipedia: <https://en.wikipedia.org/wiki/Tax_file_number>

## Quality

Score 65/100. Missing: anchored regexp, examples, negative example, translation.

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