A printable W9 form for 2014 is available from the Internal Revenue Service website. As of 2015, taxpayers can go to the IRS website and click on W9 under the Forms and Pubs banner on the left side of the main page to download a PDF file of the form.
Alternatively, taxpayers can select Forms & Pubs from the website's top navigation and click the Find All Current Forms & Pubs button. Taxpayers who enter W9 in the search box see links to the form and the instructions in both English and Spanish. The W9 form is used to request a taxpayer identification number and certification.