SSA does not propose, endorse, nor initiate action that would encourage the expansion
            of nonprogram uses of the SSN. SSA will only consider extending the use of the SSN
            within the framework of the Social Security program.
         
         There is no law that prevents a third party from using an individual's SSN as an identifier
            when provided by the individual. However, if the individual refuses to furnish the
            SSN on request, the third party can refuse the benefit or service the individual requested.