Instructions for the requester of form W-9, request for taxpayer identification number and certification / Department of the Treasury, Internal Revenue Service
Description based on: rev. Nov. 1999; title from caption. Social Sciences retains latest three years only.
Other Forms:
Some issues also available via Internet from the IRS web site. Address as of 2/16/00: http://www.irs.ustreas.gov/prod/forms%5Fpubs/forms .html; current access is available via PURL.