If you're a freelancer, consultant, or contractor, or are self-employed in some other capacity, there's a good chance you'll run across the IRS W9 form. It's not as well known as other tax forms, such ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas ...

Katharine Paljug is a financial writer and editor with over a decade of industry experience. Her writing has covered nearly every aspect of the financial world, from investing in forex to paying for ...