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 ...

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 ...

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, ...

Janet Berry-Johnson, CPA, is a freelance writer with a background in accounting and income tax planning and preparation for individuals and small businesses. Her work has appeared in Business Insider ...

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 ...

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 ...

Editorial Note: We earn a commission from partner links on Forbes Advisor. Commissions do not affect our editors' opinions or evaluations. As a business owner, there are likely many account numbers ...

An EIN is a federal tax ID number for an entity, estate, trust, or other organization. For example, the following are generally required to obtain an EIN: partnerships, limited liability companies ...