Employer Identification Number (EIN)

An Employer Identification Number (EIN) is also known as a federal tax identification number, and is used to identify a business entity. Generally, businesses need an EIN. You may also need local tax numbers for your state.

Note: You may not transfer your EIN if you sell or otherwise transfer your business. The new business owner and operator may not use your EIN.

Change of Ownership or Structure:

Generally, businesses need a new EIN when their ownership or structure has changed. Refer to "Do You Need a New EIN?" to determine if this applies to your business.

EIN for Electronic Health Transactions:

You may need a National Standard Employer Identifier (NSEI) for your electronic health transactions. Refer to NSEI frequently asked questions for assistance.

Answers to frequently asked questions:


Information courtesy of the Internal Revenue Service.