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 ...

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 ...

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 ...

Ever tried filing taxes, opening a U.S. bank account, or applying for a loan and hit a wall because you don’t have a Social Security Number? That’s where a taxpayer identification number (or TIN) can ...

If you live or work in the United States, the federal government has your number — but which kind depends on your residency status. If you live or work in the U.S., you’ll need either a Social ...

Employee's Withholding Certificate – used by employees to indicate federal tax withholding preferences. Additional instructions posted on the Manage Your Taxes and Tax Elections. Request for Taxpayer ...