| Name | Type | Description | Notes |
|---|---|---|---|
| document_type | String | The type of document. Must be specified. | |
| date | DateTime | The date of the document (in the format yyyy-mm-dd), or null for the most recent version. | [optional] |
| file_under | String | Null unless the document is filed under a different (from the title number of the request) title number. | [optional] |
| additional_information | String | Null unless DocumentType is Other, when it must be a non-empty string describing the document. | [optional] |