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Idaho Tax Identification Number EIN

An Idaho business EIN, standing for employer identification number, is also known as a federal tax identification number. This number is designed to help the Internal Revenue Service (IRS) identify your Idaho business as an operating entity within the United States. If you apply for an EIN number, it also enables Idaho business owners to conduct tax-related actions that would otherwise need a social security number.

You will need to register for an EIN in Idaho if:

  • You have Idaho employees
  • You operate your business in Idaho as a partnership or firm
  • You file Idaho excise, alcohol, tobacco, employment, or firearms tax returns
  • You withhold taxes on revenue in Idaho
  • You are involved with an Idaho trust, IRA, estate, non-profit, real estate mortgage investment conduit, farmers’ cooperative, or plan administrator program
  • You incorporate your business in Idaho
  • You receive an Idaho company that you run as a sole proprietorship



Another reason you may want to obtain an EIN in Idaho is for privacy. If working with customers that need your social security number for payment and tax-related issues, an EIN number will take its place and protect your identity from theft.


Idaho Tax Identification Number TIN and EIN

An Idaho business tax identification number is a special number the IRS uses to identify you for tax purposes. The most common forms of Idaho TIN’s are a social security number and the Idaho employment identification number (EIN).

What it does

The EIN identifies an Idaho business entity to the IRS. Idaho sole proprietorships with no employees may not need an EIN. However, if you use a different Idaho business entity or have employees, you will most likely need an EIN, also known as a federal tax identification number.