How to Get an EIN for Your Nonprofit Business in Connecticut (2026)

Starting a nonprofit in Connecticut is an exciting endeavor, and securing an Employer Identification Number (EIN) from the IRS is a crucial step. This guide will walk you through the process of obtaining an EIN for your Connecticut-based nonprofit in 2026, ensuring you're set up for success.

What is an EIN?

An Employer Identification Number (EIN) is a unique nine-digit number assigned by the IRS to business entities operating in the United States. It's essentially a Social Security number for your organization, used to identify it for tax purposes.

How to Apply for an EIN

  1. Determine Eligibility: Ensure your Connecticut nonprofit meets the IRS requirements for obtaining an EIN. Generally, any organization that intends to hire employees or operate as a corporation (including a nonprofit corporation) needs an EIN.
  2. Gather Required Information: Collect all necessary information before starting the application. This includes the legal name of your Connecticut nonprofit, its address, the name and Social Security number of the responsible party (e.g., the president or treasurer), and the reason for applying for the EIN.
  3. Complete Form SS-4: The application for an EIN is made using IRS Form SS-4, Application for Employer Identification Number. You can download the form from the IRS website or complete the application online.
  4. Apply Online (Recommended): The easiest and fastest way to obtain an EIN is through the IRS Online EIN Assistant. The online application is available on the IRS website and is generally processed immediately.
  5. Submit by Mail or Fax (If Necessary): If you cannot apply online, you can submit Form SS-4 by mail or fax. However, processing times are significantly longer than online applications.
  6. Receive Your EIN: If you apply online, you'll receive your EIN immediately after submitting the application. If you apply by mail or fax, it may take several weeks to receive your EIN. The IRS will send you a confirmation notice (CP 575) with your EIN.

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