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 ...

An Individual Taxpayer Identification Number (ITIN) is a tax processing number issued by the Internal Revenue Service (IRS), which is only available for certain nonresident and resident aliens, their ...

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 ...

An employer identification number (EIN) is issued by the Internal Revenue Service (IRS) to identify a business for tax administration purposes. It’s also used to complete some core business tasks, ...

An Employer Identification Number (EIN) is a crucial part of running a business in the United States. This unique nine-digit ...

With last season just wrapping up—and the 2025 tax season around the corner—the IRS is reminding tax pros that it’s an excellent time to renew their Preparer Tax Identification Number (PTIN). Even ...

Forbes contributors publish independent expert analyses and insights. Robert W. Wood is a tax lawyer focusing on taxes and litigation. This article is more than 4 years old. Before paying you, many ...