The form object

Each form detail contains a parameters list, each representing a form field eligible to show to an onboarding employee.

{
  "id": "frm_VjOW9Qq93M7UGxi6eocg",
  "description": "District of Columbia D-4",
  "link": "https://www.exim.gov/sites/default/files/newsreleases/DCStateTaxForm-1.pdf",
  "revision_date": "2010-12-01",
  "jurisdiction_name": "District of Columbia",
  "parameters": [
    {
      "name": "first_name",
      "label": "First name",
      "description": null,
      "type": "string",
      "options": null,
      "required": true,
      "depends_on": null
    },
    ...
  ]
}

Attribute	Description
`id` string	Unique identifier for the form.
`description` string	Optional description, eligible to show next to the UI field for additional context.
`link` string	The link to the referenced form. Usually a link to an official government website hosting the form.
`revision_date` YYYY-MM-DD	The date the form was revised.
`parameters` array of objects	An array of name-value pair objects, which represent fields on the form eligible to present to onboarding employees. Possible objects include: name, label, description, type, options, depends_on, and required.
`name` string	Unique identifier for the parameter on the form.
`label` string	Human-readable label, eligible to show in a UI label.
`description` string	Optional description, eligible to show next to the UI field for additional context.
`type` string	One of `string`, `number`, `currency`, `percent`, `boolean`, or `select`. This type information can be used to do basic validation. See Types of form parameters for complete descriptions.
`options` list of strings	Optional list of select options, with `value` and human-readable `label` properties. Only populated if parameter `type` is `select`.
`required` boolean	Boolean value, indicating whether a parameter should be considered "required" when validating form input client-side. If the parameter has a value for `depends_on`, it should only be considered "required" if its dependency condition is met.
`depends_on` object	Optional object, indicating whether the parameter "depends" on another parameter's value matching a particular pattern. `name` is the identifier of the other parameter, and `value_matches` is a simple regex pattern that the other parameter must match.
`jurisdiction_name` string	Nullable string value. The full name of the jurisdiction that is associated with the specific form. The possible values ranges from "Federal" to any U.S. jurisdiction.

Form field validations

Type	Accepted formats	Rules
SSN	`#########` `###-##-####`	Does not start with 9, 666, or 000. Does not end in 0000. The middle digits (third and fourth) are not 00. Does not consist of repeated digits (i.e. 000…). Only contains numeric characters (with the exception of format characters). Is not made up of ascending or descending number sequences like "12345..." or "98765...".
Phone number	`##########`	Area Code: first number must be (2-9), second number must be (0-8), and last can be (0-9) Central Code: first number must be (2-9), last two digits can be (0-9) Line Numbers: Four digits (0-9)
Date	`YYYY-MM-DD`	Dates in the future are not accepted. Date of birth fields are always in the past. Date of signatures is on the current date of form submission.

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Note
Employee withholdings are normally configured when employees go through Check Onboard. Use the Employee Forms API only if you're building a custom integration for employee onboarding.
Consult the Custom Employee Onboarding Guide for more information.