Proof of Social Security Number (SSN)
- Proof of Social Security Number (SSN)
- Tax form(s).
- Benefit or income statement from Social Security containing the SSN.
- Pending application for an SSN.
- Letter from the Social Security Administration stating that the applicant is not eligible for an SSN or is only eligible for a non-work SSN.
- Letter stating that the applicant refuses to obtain an SSN for established religious objections (SSN Waiver).