What is a tax ID number? It's a unique nine-digit number issued by the Social Security Administration or the IRS to anyone ...

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 ...

When opening bank accounts, submitting tax return forms, or processing a payroll you’ll be required to fill out a personal or business taxpayer identification number (TIN). Since several numbers can ...

A Taxpayer Identification Number (TIN) is a unique nine-digit number the Internal Revenue Service uses to identify individual taxpayers. A TIN can come in different varieties, including Social ...

If you run a home business or you have self-employment income, you may at some point need an employer identification number. This need may arise when you hire employees, or when you want to open a ...

Opinions expressed by Entrepreneur contributors are their own. Q: I want to start a new onlinebusiness and don’t really know where to start. Do I have to geta U.S. federal tax ID number? If so, where ...