W9 Form 2021 Printable – A common IRS form is Form W-9–Request For Taxpayer ID Number and Certification. If you have your own business or work as an independent contractor, a client may request that you fill out and send a W-9 so they can accurately prepare your 1099-NEC form and report the payments they make to you at the finish of the year. W9 Form 2021 Printable w9 tax form 2021 printable