What is a W-9 used ... umbrella form you use to fill out your individual income tax return. In the two-page document, you'll record the various kinds of income you earned last year, state whether ...

The W-9 relates to federal income tax, while resale certificates relate to state sales tax. Both forms require basic information, such as name and address. The person signing either form is ...

As a small-business owner, you may be thinking about outsourcing work to save time and expand your services. Before taking this step, make sure you ask contractors or companies to fill out a W-9 form.