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 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 ...

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 ...

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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 ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Lea Uradu, J.D., is a Maryland state registered tax preparer, state-certified notary public, ...

The Internal Revenue Service distinguishes business entity tax filings by the use of employer identification numbers. EINs can also be used by foreign entities – any business based entirely in another ...