5. Cancel Your EIN and Close Your IRS Business Account

The employer identification number – or EIN – assigned to your business is the permanent federal taxpayer identification number for that business.To cancel your EIN and close your IRS business account, you need to send us a letter that includes:

• The complete legal name of the business
• The business EIN
• The business address
• The reason you wish to close the account

If you kept the notice, we sent you when we assigned your EIN, you should enclose a copy of it with your EIN cancellation letter. Send both documents to us at:

Internal Revenue Service
Cincinnati, OH 45999

We cannot close your business account until you have filed all necessary returns and paid all taxes owed.