Janet Berry-Johnson, CPA, is a freelance writer with a background in accounting and income tax planning and preparation for individuals and small businesses. Her work has appeared in Business Insider ...

If you have a business, you may need to fill out IRS Form W-9 Katharine Paljug is a financial writer and editor with over a decade of industry experience. Her writing has covered nearly every aspect ...

A tax identification number (TIN) is a unique nine-digit number issued by the Social Security Administration or the Internal Revenue Service to anyone who pays taxes (personal or business). Your TIN ...

As you prepare to file your taxes in advance of the April 15 deadline, you may be wondering about certain terminology. For instance, the 1040 form that most people use to file their federal income ...

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 ...

The U.S. Department of the Treasury's Financial Crimes Enforcement Network (FinCEN) recently issued two new FAQs providing guidance on key taxpayer compliance measures. Areas covered in the FAQs ...

If you live in the U.S. and do not have — and are not allowed to obtain — a Social Security number, you may need an Individual Taxpayer Identification Number to file your state and federal income ...

Each taxpayer in the U.S. needs to have a unique nine-digit number that can identify them to the IRS. Many Americans use their Social Security number, or SSN, to confirm their identity on tax returns ...