Blank Printable W9 Form For 2021 – W-9–Request to Taxpayer Identity Number and Certificate–is a common IRS form. A client may request that you complete and send a W-9 if you personal a company or work independently. This may allow them to accurately prepare their 1099-NEC forms and report any payments produced to you at year’s end. Blank Printable W9 Form For 2021