Recommended by IRS
Employer Identification NumberInformation about Employer Identification Numbers (EIN), also known as a Federal Tax Identification Number. An EIN is used to identify a business entity.
Apply for an Employer Identification Number (EIN) online
Information about how to apply online for an Employer Identification Number.
Do you need a new EIN?
Generally, businesses need a new EIN when their ownership or structure has changed.
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Get an employer identification number
Use this tool to get an EIN directly from the IRS in minutes for free. Answer questions, submit the application and, if approved, we’ll issue your EIN immediately online.
General Information
Small Businesses
Employer identification number
Find out if you need an employer identification number (EIN). Get one online, free from the IRS. Don’t pay for an EIN.
General Information
Small Businesses
When to get a new EIN
Generally, businesses need a new Employer Identification Number (EIN) when their ownership or structure has changed. Determine if you need a new EIN.
General Information
Small Businesses
Valid EINs
An employer identification number (EIN) is used to identify a business entity. You can get an EIN for your business, tax-exempt organization or other entity free directly from the IRS in minutes. We assign the first 2 digits of your EIN based on the IRS campus that processed your application or if you applied online.
General Information
Small Businesses
Position holder and EIN questions
Position Holder and EIN Questions
General Information
Small Businesses
If you no longer need your EIN
If you receive an EIN but decide you don’t need it, we can deactivate your EIN.
General Information
Small Businesses
About Form SS-4, Application for Employer Identification Number (EIN)
Information about Form SS-4, Application for Employer Identification Number, including recent updates, related forms, and instructions on how to file. Form SS-4 is used by sole proprietors, corporations, partnerships, estates, trusts, and other entities to apply for an EIN.
General Information
Businesses
FAQs for Indian tribal governments regarding nonresident alien gambling winnings
Insights into the reporting of gambling winnings to non-resident aliens and non-resident alien tribal members; the withholding, reporting, and depositing requirements.
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Indian Tribal Governments
ITG FAQ #17 answer - Are tribes required to have an employer identification number (EIN) to gain federal recognition?
Insights into a variety of issues, such as definitions, taxation of tribal governments and tribal members, sovereign immunity, etc.
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Indian Tribal Governments
Operating a business
Find information about getting an employer identification number (EIN), understanding deductions and tax credits and using the IRS tax calendar.
General Information
Small Businesses