While we cannot provide you with tax advice, we have put together this article to help you through the process. This has the caveat that you should always seek advice from a professional accountant/tax advisor because we are not authorized to advise about your specific tax situation, including filling out your specific tax form.
This article is about the W9 form, we have equivalent articles for W-8BEN.
What’s required?
Each US citizen who was a part of a team that is a citizen of the United States is required to complete a standard IRS form called the Form W9 which includes some basic information about you, including your Social Security Number (SSN).