How to Fill out a W8 Form What is a W8 Form? An IRS form that grants a foreigner an exemption from certain U.S. information return reporting and backup withholding regulations. There are many variations of the W-8 form, such as the W-8BEN and W-8ECI. Im getting pm's asking how to fill out their W8 Form's so i decided to make a thread for it. Filling up a W8 form is easy. First Step: Fill out the Part 1 Identification of Beneficial Owner (See screenshots) Second Step: Fill out the Part 4 Certification (See screenshots) That's it! To get your W8 Form go here. http://www.irs.gov/pub/irs-pdf/fw8ben.pdf * That's how i fill out my W8 Form if you think im wrong post a comment in here. As in my experience all the companies I send my W8 Form accepted it. Thanks!