Employer Identification Number

About Employer Identification Number:

An Employer Identification Number (EIN) is a taxpayer identification number for an entity other than an individual, such as a partnership, corporation, estate, or trust.

See Employer Identification Number and Employer Identification Number.

A federal identification number required for businesses that have one or more employees, file returns for employment or excise taxes, maintain a qualified retirement plan, or operate as a corporation, partnership, nonprofit, estate, or trust.

See Excise and Excise.

Description and Definition of Employer Identification Number (EIN)

A nine-digit number assigned by the IRS for businesses, estates, and trusts.

Resources

See Also

Further Reading

• Employer Identification Number (EIN) in the West's Tax Law Dictionary
• Employer Identification Number (EIN) in “A Dictionary of Taxation”