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Form 637 (Rev. October 2017)
Identify each sheet with your name and employer identification number at the top, and write the number of the item to which each answer applies. If any
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Employer Identification Number (EIN) | Wex | US Law
An Employer Identification Number (EIN) is a unique nine-digit number assigned to US business entities.
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Employer identification number | Internal Revenue Service
An EIN is a federal tax ID number for businesses, tax-exempt organizations and other entities. You can get an EIN for free directly from the IRS in minutes.
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