Employer Identification Number (EIN) Definition
Stands for Employer Identification Number. This is a nine-digit number assigned to organizations by the IRS. The format is XX-XXXXXXX. It can also be referred to as TIN (Tax Identification Number).
Also known as a Federal Employer Identification Number or (FEIN). Business owners who have employees will need to have an EIN for their business. Business owners can apply in several ways to receive a free EIN number from the Internal Revenue Service.