| # | Id | Type | Description |
| 1 | taxYear | integer | The four-digit year for which a tax form applies. FDX Tax data API was completed with v3.0 in fall of 2018 |
| 2 | taxStatementId | string | Value for a unique identifier |
| 3 | issuer | TaxParty | |
| 4 | recipient | TaxParty | |
| 5 | taxDataType | TaxDataType | |
| 6 | forms | Array of TaxData | The list of data contents for all included tax forms, response should include one of `forms` or `pdf` |
| 7 | pdf | string | PDF version of the tax statement containing all form pages, binary encoded as Base64, response should include one of `pdf` or `forms` |
| 8 | attributes | Array of FiAttribute | Additional tax statement attributes that the provider wishes to include |