Taxpayer Identification Number (TIN) You must have a TIN for the IRS to process your Form W-9. Name (as shown on your income tax return). 2 City, State/Province (Required). 3 Address (if different from tax-exempt address). Address (if different from tax-exempt address). 4 Telephone Number (If different from tax-exempt) (If different from tax-exempt) 5 E-Mail Address (If different from tax-exempt address) E-mail Address (If different from tax-exempt address) 6 Business (if your business is registered under section 501(c)(19) of the Internal Revenue Code). (if your business is registered under section 501(c)(19) of the Internal Revenue Code). 7 Other (if you are self-employed). (if you are self-employed). 8 If you have tax prep services or other business-related services that are involved in the handling of forms, you must provide a complete Schedule H-10 (PDF) or S-2 (PDF), the instructions, and copies of your income taxes for the tax years immediately preceding the year during which you want to be assigned your new TIN. If you have a Form 1099 (PDF), make sure that the following information is included on the original, unaltered copy of Schedule H-10 or S-2: If you don't have a Form 1099, get one from the following government agency in your region or on or through the IRS E-File website and include a copy in your submission: You will also need to submit an attestation from your accountant, attorney, or other financial professional that the information you provided in your tax return is true.