---
id: "inn"
kind: "datatype"
status: "stable"
is_pii: false
categories: ["companies"]
country: ["RU"]
langs: ["ru"]
quality: 90
url: "http://registry.apicrafter.io/datatype/inn"
---

# INN (Russian tax identifier) (`inn`)

Russian organization/person tax identification number (INN) is unique for each person and organization.

- Personal data (PII): no
- Categories: Companies/business/organizations (companies)
- Countries: Russian Federation (RU)
- Languages: Russian (ru)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^(?:\d{10}|\d{12})$
```

Check digit algorithm: `ru_inn`

## Examples

- `7707083893` — Organization INN (10 digits), Sberbank
- `7728168971` — Organization INN (10 digits), Alfa-Bank

## Mappings

- orgid: `RU-INN`
- purview: `Russia taxpayer identification number`
- schema_org: `taxID`
- stdnum: `ru.inn`

## Metacrafter rules

3 rules: 2 match the field name, 1 match values.

- `ruinn` (data, `ru/ru_orgs.yaml`)
- `ruinnfulltext` (field, `ru/ru_orgs.yaml`)
- `ruinnknown` (field, `ru/ru_orgs.yaml`)

## Supported by tools

- `metacrafter`
- `metacrafterpro`
- `microsoftpurview`
- `pythonstdnum`

## Sources

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

## Quality

Score 90/100. Missing: negative example, translation.

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