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Do I need to get an Employer Identification Number?

Generally, businesses need an Employer Identification Number (EIN) or federal tax identification number. The EIN is used to identify a business entity such as a corporation, LLC, or partnership. Sole proprietorships that need to pay federal excise of employment taxes are required to get an EIN.

On the other hand, sole proprietors with no employees are not required to get an EIN, and can instead use their Social Security numbers.

The Internal Revenue Service (IRS) web site at http://www.irs.ustreas.gov/businesses/small/article/0,,id=98350,00.html contains all the information you need about EIN and how to apply for an EIN electronically.