W9 2021 Form Printable – A typical IRS form is Form W-9–Request For Taxpayer ID Number and Certification. Clients may ask you to fill out and submit a W-9 form if you are a sole proprietor or independent contractor. They will use this info to prepare your 1099 NEC form accurately and report all payments at the finish. W9 2021 Form Printable w9 form 2021 printable free