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 ...

Opinions expressed by Entrepreneur contributors are their own. Q: I want to start a new onlinebusiness and don’t really know where to start. Do I have to geta U.S. federal tax ID number? If so, where ...

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 ...

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 ...

A Tax Identification Number (TIN) is required for all entities to file tax returns. Individuals use their Social Security Number (SSN) as their TIN for personal taxes. Businesses need unique TINs, ...