Company Filing Authorization & Verification

This Component guides employers through identity verification and the tax authorization forms required during onboarding.

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Employers can complete the following forms within this Component:

  • Identity verification (liveness check)
  • IRS Form 8655
  • Any required state authorization form that allows Check to file and remit taxes on the employer's behalf

Identity verification

Before signing their filing authorization forms, employers complete a liveness check - they validate a government-issued ID against a real-time facial capture. This appears as the first step in the Component for companies where liveness checks are enabled, which covers most partners.

No integration changes are required. The Component URL returned by this endpoint automatically presents the right flow for each company, and completion states and webhook behavior are the same whether or not the liveness step is shown.

For more on how liveness checks work, see our Help Center article.

To learn how to add this Component to your application, see our embedding guide.


ℹ️

Liveness checks are enabled for most partners. If you're not sure whether they're enabled for your account, reach out to your Check contact.

Path Params
string
required

ID of the company for which a component link will be generated

Body Params
string
required

The name of the person who has permission to onboard on behalf of the company.

string
required

The title of the person who has permission to onboard on behalf of the company (e.g. "Officer", "Manager", etc.).

string
required

The email of the person who has permission to onboard on behalf of the company

string

The ID of the signatory object for this company. You may use either a signatory ID or the three signatory body params above

string

Only list forms of the given jurisdiction. Use the last 2 letters of the ISO 3166-2:US code for the jurisdiction.

boolean
Defaults to false

Only show Federal forms if True.

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