Form SS-4 - Application for Employer Identification Number

Greg Hatfield Updated by Greg Hatfield

Use Form SS-4 to apply for an EIN. An EIN is a 9-digit number (for example, 12-3456789) assigned to sole proprietors, corporations, partnerships, estates, trusts, and other entities for tax filing and reporting purposes. The information you provide on this form will establish your business tax account.

Click the link to see the form instructions.

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