> ## Documentation Index
> Fetch the complete documentation index at: https://www.marqeta.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Retrieve business director tax identifier

> Retrieve the tax identifier of a business director.

GET/businesses/\{business\_token}/directors/\{token}/identifications

Retrieve the tax identifier of a business director.

## URL path parameters

| Fields | Description |
| - | - |
| business\_token string  Required | Unique identifier of the business resource. **Allowable Values:**  Existing `business` token |
| token string  Required | Unique identifier of the business director resource. **Allowable Values:**  Existing business director token |

## URL query parameters

| Fields | Description |
| - | - |
| full\_ssn boolean  Optional | To return the full identification number, set to `true`. To return only the last four digits, set to `false`. If the `identifications` array contains only the last four digits of the identification number, the `/businesses/{business_token}/directors/{token}/identifications` endpoint will return only the last four digits regardless of the `full_ssn` parameter. **Allowable Values:**  `true`, `false` |

## Response body

| Fields | Description |
| - | - |
| nin string  Conditionally returned | National Identification Number (NIN). **Allowable Values:**  255 char max |
| sin string  Conditionally returned | Social Insurance Number (SIN). **Allowable Values:**  255 char max |
| ssn string  Conditionally returned | Social Security Number (SSN) or Individual Taxpayer Identification Number (ITIN). **Allowable Values:**  255 char max |
| tin string  Conditionally returned | Taxpayer Identification Number (TIN). **Allowable Values:**  255 char max |


## Related topics

- [Business Directors Overview](https://www.marqeta.com/docs/core-api/businesses/business-directors.md)
- [Businesses Overview](https://www.marqeta.com/docs/core-api/businesses.md)
- [Release Notes](https://www.marqeta.com/docs/developer-guides/release-notes-2025.md)
- [Retrieve business director](https://www.marqeta.com/docs/core-api/businesses/business-directors/retrieve-director.md)
- [Create business director](https://www.marqeta.com/docs/core-api/businesses/business-directors/create-director.md)