# W9 - document type

> Form W-9 (or, Request for Taxpayer Identification Number and Certification) is used in the United States income tax system by a third party who must file an information return with the Internal Revenue Service (IRS). Used to confirm a person’s name, address, TIN (Taxpayer Identification Number) to file information about income received, real estate transactions, acquisition of property, cancellation of debt, etc.

## Overview

Form W-9 (or, Request for Taxpayer Identification Number and Certification) is used in the United States income tax system by a third party who must file an information return with the Internal Revenue Service (IRS). Used to confirm a person’s name, address, TIN (Taxpayer Identification Number) to file information about income received, real estate transactions, acquisition of property, cancellation of debt, etc.

This model has 17 defined fields trained to extract relevant data from the form.

## Particularities

The model automatically detects data such as:

* Name, Business Name, Tax Classification, Address,
* TIN: SSN, EIN;

## Extracted fields

:::note
If you are using using public endpoints, such as `https://du.uipath.com/ie/invoices`, all fields are available. However, if you are using custom-trained extractors, the availability of extracted fields is dependant on the version you are currently using. You can also check the list of fields and types on any endpoint in the `/info/model` object. To access this, simply add `/info/model` to any endpoint, like so: `https://du.uipath.com/ie/invoices/info/model`. For an enhanced reading experience of the fields list, it's recommended to install a JSON viewer extension in your browser.
:::

Table 1. List of extracted fields for W9

| Display Name | Field Name | Field Type | Content Type |
| --- | --- | --- | --- |
| Taxpayer Name | name | regular | string |
| Business Name | business-name | regular | string |
| Tax Classification | tax-classification | regular | string |
| LLC Tax Classification | llc-tax-classification | regular | string |
| Other Tax Classification | other-tax-classification | regular | string |
| Exempt Payee Code | exempt-payee-code | regular | id-no |
| Exemption FATCA Code | exemption-fatca-code | regular | id-no |
| Taxpayer Address | address | regular | string |
| Taxpayer City | city | regular | string |
| Taxpayer State | state | regular | string |
| Taxpayer ZIP Code | zip | regular | id-no |
| Account Numbers | account-numbers | regular | id-no |
| Requester Name and Address | requester-name-address | regular | string |
| Taxpayer Social Security Number | ssn | regular | id-no |
| Taxpayer Employer Identification Number | ein | regular | id-no |
| Taxpayer Signature | signature | regular | string |
| Date of Signature | date | regular | date |

## Samples

Here is a sample of a W9 form:

![W-9 sample file](https://dev-assets.cms.uipath.com/assets/images/document-understanding/document-understanding-w-9-sample-file-115787-dc099e5c-274cfb4c.webp)