A W-9 Form (sometimes called just a W9) includes fields for a person or business entity to fill in their name and address as well as social security number (SSN) or employee identification number (EIN, also known as a Federal Tax Identification Number). The purpose of Form W-9 is to collect information from freelancers, sub-contractors, and independent contractors in order for a 1099 form to be sent out to them later.
Who Must File Form W-9?
Form W-9 is not directly filed with the IRS, and instead is provided to businesses or individuals for their own records. Usually Form W-9 is given only to those who request it. For example, a financial institution may ask for your W-9 in order to report interest income paid to you. In general, Form W-9 is requested by any business that pays you interest, dividends, non-employee compensation, or other miscellaneous types of reportable income.