Other commonly used terms for EIN are Taxpayer Id, IRS Number, Tax Id, Taxpayer Identification Number (TIN) etc.Ī business needs an EIN in order to pay employees and to file business tax returns. Employer Identification Number (EIN): The Employer Identification Number (EIN), also known as the Federal Employer Identification Number (FEIN) or the Federal Tax Identification Number (FTIN), is a unique nine-digit number assigned by the Internal Revenue Service (IRS) (format: XX-XXXXXXXXX) to business entities operating in the United States for the purposes of identification and employment tax reporting.
