Blank W-9 Tax Form – W-9–Request to Taxpayer Identity Number and Certificate–is a common IRS form. If you have your personal company 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. Blank W-9 Tax Form how to get a blank w-9 form