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

What is a state tax ID number, and what is it for? A state tax ID number is sometimes called a state employer ID, state EIN or state tax registration. It’s assigned by a state to identify a business ...

When you open a new business, applying for an employer identification number (EIN) may need to be near the top of your priority list. While not every business needs an EIN, many do. Nearly 5.4 million ...

The Internal Revenue Service issues an employer identification numbers, or EINs, to businesses that file taxes with the IRS. The EIN is a unique nine-digit number that unambiguously identifies the ...