How Do I Get an EIN in Idaho? Obtaining an EIN for Idaho Businesses

To get started with a business in Idaho, you will need both a Federal Employer Identification Number (EIN) and a state tax ID number to identify your business for tax purposes. Most companies, especially those with employees, require these tax ID numbers.

Applications for EIN and Seller’s Permit

Employer Identification Number (EIN)

You can obtain an EIN immediately by calling the Business & Specialty Tax Line at (800) 829-4933 between 7:00 a.m. – 7:00 p.m. local time, Monday through Friday, or you can apply online:

  1. Prepare the required information
  2. File for your Idaho EIN online

Obtaining an EIN is free of charge, and the number never expires or is duplicated.

Seller’s Permit

To apply for a seller’s permit, complete the Idaho Business Registration application. There is no fee for this:

  • Apply online for permit delivery in about 10 days.
  • If submitted by mail, permit delivery can take up to four weeks.

Timeframes for Obtaining an EIN

How long it takes to receive your EIN depends on the method of application:

  • Online application results in immediate issuance.
  • Fax applications may take up to 10 business days.
  • Mail applications can take up to four weeks.

International Businesses

International businesses can also obtain an EIN from the IRS, although the process differs from that for U.S. businesses. The requirements include having a valid U.S. taxpayer ID number and information about the business.

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