# Process a delayed EIN document after upload

Processes a delayed EIN document after it has been uploaded.

This endpoint should be called after successfully uploading an IRS EIN Confirmation document (CP-575, CP-575 fax sheet, or 147C) using the
standard document upload flow (/v1/referrals/{id}/document_upload with type: IRS_EIN_CONFIRMATION).

The document_id should be the id returned from the document upload request.

Endpoint: POST /v1/referrals/{id}/process_ein_document
Version: 1.0
Security: Client Credentials

## Path parameters:

  - `id` (string, required)

## Request fields (application/json):

  - `document_id` (string, required)
    The document ID returned from the initial document creation request


## Response 200 fields

## Response 400 fields

## Response 401 fields

## Response 404 fields