<http://schema.org/description>
"Due to new IRS rules, PayPal has started asking users to provide their tax ID number, which is either your Social Security number, Individual Tax Identification Number or your Employer ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/insider/2011/08/16/new-irs-rules-require-paypal-to-report-sales-information/>