---
id: "fi_alv"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["finances"]
country: ["FI"]
langs: ["fi", "sv"]
quality: 93
url: "http://registry.apicrafter.io/datatype/fi_alv"
---

# Finnish VAT number (ALV) (`fi_alv`)

> **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.

Arvonlisäveronumero, the Finnish VAT number: the FI prefix and the 8-digit business ID (Y-tunnus) without its hyphen. The last digit is a weighted check digit.

- Parent datatype: `vatin`
- Personal data (PII): no
- Categories: Finances and banking (finances)
- Countries: Finland (FI)
- Languages: Finnish (fi), Swedish (sv)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^(?:FI[ -]?)?\d{7}-?\d$
```

## Examples

- `FI 02459042` — Real-world value published online
- `FI 18949388` — Real-world value published online
- `024590427` (invalid example) — One character too many

## Mappings

- orgid: `FI-VERO`
- schema_org: `vatID`
- stdnum: `fi.alv`

## Supported by tools

- `awsglue`
- `dataprep`
- `pythonstdnum`

## Translations

- fi: Arvonlisäveronumero (ALV-numero)

## Sources

- other: <https://arthurdejong.org/python-stdnum/doc/2.2/stdnum.fi.alv.html>
- other: <https://docs.dataprep.ai/user_guide/clean/clean_fi_alv.html>

## Quality

Score 93/100. Missing: authoritative source link.

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