Employer Identification Number - EIN

Definition of 'Employer Identification Number - EIN'


A unique identification number that is assigned to a business entity so that they can easily be identified by the Internal Revenue Service. The Employer Identification Number is commonly used by employers for the purpose of reporting taxes.

Also known as a Federal Tax Identification Number. When it is used to identify a corporation for tax purposes, it is commonly referred to as a Tax Identification Number.

Investopedia explains 'Employer Identification Number - EIN'


The EIN is a nine-digit number, and its role is similar to that of the Social Security number. The number includes information about which state the corporation is registered in. EINs can be applied for by phone, online or by mail. The digits of an EIN are formatted as follows: XX-XXXXXXX. Businesses that have changed their ownership structure usually must apply for a new EIN.



comments powered by Disqus
Hot Definitions
  1. 80-10-10 Mortgage

    A mortgage transaction in which a first and second mortgage are simultaneously originated. The first position lien has an 80% loan-to-value ratio, the second position lien has a 10% loan-to-value ratio and the borrower makes a 10% down payment. 80-10-10 mortgage transactions are piggy-back mortgage transactions, and are frequently used by borrowers to avoid paying private mortgage insurance.
  2. Passive ETF

    One of two types of exchange-traded funds (ETFs) available for investors. Passive ETFs are index funds that track a specific benchmark, such as a SPDR. Unlike actively managed ETFs, passive ETFs are not managed by a fund manager on a daily basis.
  3. Walras' Law

    An economics law that suggests that the existence of excess supply in one market must be matched by excess demand in another market so that it balances out. So when examining a specific market, if all other markets are in equilibrium, Walras' Law asserts that the examined market is also in equilibrium.
  4. Market Segmentation

    A marketing term referring to the aggregating of prospective buyers into groups (segments) that have common needs and will respond similarly to a marketing action. Market segmentation enables companies to target different categories of consumers who perceive the full value of certain products and services differently from one another.
  5. Effective Annual Interest Rate

    An investment's annual rate of interest when compounding occurs more often than once a year. Calculated as the following:
  6. Debit Spread

    Two options with different market prices that an investor trades on the same underlying security. The higher priced option is purchased and the lower premium option is sold - both at the same time. The higher the debit spread, the greater the initial cash outflow the investor will incur on the transaction.
Trading Center