EINs are nine digits long with a xx-xxxxxxx format. Once the IRS assigns an EIN to a business, it stays active forever, like a Social Security number.
When to Apply for a New EIN
You don’t need to apply for a new EIN unless you:
- Change the ownership or structure of your business
- File bankruptcy
- Sell your business assets
If your business comes to an end, you must file final tax returns even if you never used the EIN. The IRS can’t cancel an EIN, but you can close the associated business account by sending them a letter. Include your business name, structure, address and reason for closing.
How to Confirm EIN Status
How do I know if my EIN is still active? Call the IRS at (800) 829-4933. The IRS representative will request your identifying information and then give you the EIN number over the phone.
Criteria determining if a business needs an EIN include having employees or applying for a bank account. When applying for an account, you list your EIN. You also need your EIN on income tax forms, annual tax reports, and forms for tax payments. To obtain your EIN, complete and submit IRS Form SS-4.