Does a non-profit organization need an EIN number? The answer is yes. EIN stands for Employer Identification Number, but these numbers aren’t just for employers. Instead, the EIN acts as a unique tax ID, and you must include this number on a range of government documents, tax forms, and banking applications. In other words, your non-profit organization needs an EIN whether you have employees or not. Here’s a closer look at the details so you know what to expect.