Form SS-4 & Employer Identification Number (EIN)

A sole proprietor who does not have any employees and who does not file any excise or pension plan tax returns does not need an employer identification number. In this instance, the sole proprietor uses his or her social security number as the taxpayer identification number.
If you have an existing EIN as a sole proprietor and become a sole owner of an LLC (Limited Liability Company) that has employees, you need to get a separate EIN to file employment taxes.

Category: Small Business, Self Employed, Other Business
Subcategory: Form SS 4 & Employer Identification Number (EIN)

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The OMB number for this study is 1545-1432.
If you have any comments regarding this study, please write to:

IRS, Tax Products Coordinating Committee

SE:W:CAR:MP:T:T:SP

1111 Constitution Avenue NW

Washington, DC 20224