Form SS-4, Application for Employer Identification Number (EIN)
Use Form SS-4 to apply for an Employer Identification Number (EIN). An EIN is a nine-digit number (for example, 12-3456789) assigned to employers, sole proprietors, corporations, partnerships, estates, trusts, certain individuals, and other entities for tax filing and reporting purposes.
Change to the Instructions for Form SS-4 (Rev. January 2011) -- 19-FEB-2013
Other Items You May Find Useful:
Publication 966, The Secure Way to Pay Your Federal Taxes for Business and Individual Taxpayers
Publication 1635, Understanding Your EIN
Formulario SS-4PR, Solicitud de Número de Identificación Patronal (EIN)
Comment on Form SS-4
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