Printable Federal Tax Form W9 – The IRS commonly utilizes Form W-9-Request for Taxpayer Info Number and Certification. When you function for a client, or in case your company is independent, they may ask that you fill out and return a W-9 to make sure they are able to prepare the 1099-NEC form accurately and then report the payments you obtain at the close of the year. Printable Federal Tax Form W9