---
id: "tfn"
kind: "datatype"
status: "stable"
is_pii: true
categories: ["finances"]
country: ["AU"]
langs: ["en"]
quality: 50
url: "http://registry.apicrafter.io/datatype/tfn"
---

# Australian TFN (Tax File Number) by known name (`tfn`)

Australian TFN (Tax File Number) by known name identifier

- Personal data (PII): yes
- Categories: Finances and banking (finances)
- Countries: Australia (AU)
- Languages: English (en)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^[0-9]{8,9}$
```

## Mappings

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

## Metacrafter rules

3 rules: 3 match the field name, 0 match values.

- `autfnknown` (field, `au/au_finances.yaml`)
- `au_persons_autfnknown` (field, `au/au_persons.yaml`)
- `au_pii_autfnknown` (field, `pii/au/au_pii.yaml`)

## Supported by tools

- `amazonmacie`
- `awsglue`
- `azureailanguage`
- `databricks`
- `metacrafter`
- `microsoftpurview`
- `nightfall`
- `openmetadata`
- `pythonstdnum`
- `snowflake`

## Quality

Score 50/100. Missing: longer description, examples, negative example, source link, translation.

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