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

Tax-identification numbers are required on all tax forms, including tax returns. The number is how your business is identified by the IRS. The tax-identification number for your business can be either ...

An EIN, also called a federal identification number, is a unique business tax ID number that you can get online in just a few minutes. Many, or all, of the products featured on this page are from our ...

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 ...

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 ...

Companies, like people, are usually known by their names, but people and companies both have other types of identification, often issued by government agencies in the form of identification numbers.

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 ...