This form is only supplied to the IRS upon request. The information on the W9 is used by companies to prepare form 1099, which shows all income a contractor received in a given year.

This form doesn't go to the IRS. But the information you provide on a W-9 will be used to prepare and populate other forms: Read on. Is a W-9 the same as a 1099? The main difference between a W-9 ...