Form W-9 is used to provide a correct taxpayer identification number (TIN) to a requester for reporting purposes. It includes certification of the TIN, exemption from backup withholding, and U.S. person status.
doj/DataSet10/EFTA01449417.pdf
{"title":"Form W-9 Request for Taxpayer Identification Number and Certification","document_date":"2011-12","document_type":"financial","document_subtype":"tax form","key_organizations":["Internal Revenue Service"],"reference_numbers":["Cat. No. 10231X"]}