"ssigned to that number.This method can be used for any business purpose, not just for employment.It can be run pre-offer of employment, or post-offer.Does not need to be run on everyone, can be run only when there is a reason to do so, as long as a consistent standard is appliedIt requires the person to sign a Social Security Administration form (SSA-89) affirming that the number was issued to the" . . . .