If you no longer need your employer identification number (EIN), we can’t cancel it, but we can deactivate it. Once we assign an EIN to a business entity, it becomes that entity’s permanent federal taxpayer ID number. Deactivate your EIN Send us a letter that includes your entity’s EIN, legal name, address, EIN assignment notice, if available, and your reason for deactivating. Mail to: Internal Revenue Service MS 6055 Kansas City, MO 64108 Or Internal Revenue Service MS 6273 Ogden, UT 84201 File tax returns before we deactivate your EIN If you made tax payments, owe business taxes or received a notice to file a business tax return, you must file all outstanding tax returns and pay taxes owed before we can deactivate your EIN. See closing a business. Exempt organizations You can’t deactivate your EIN if your exempt organization has: Applied for an exemption Been covered in a group ruling Filed an information return To deactivate your EIN, send us a letter with: Your entity’s EIN, legal name and address EIN assignment notice, if available Your reason for deactivating your EIN Mail to: Internal Revenue Service Attn: EO Entity Mail Stop 6273 Ogden, UT 84201 Or fax it to 855-214-7520 If you don’t meet the criteria to close your exempt organization, see terminate your exempt organization or call 877-829-5500. Related Employer identification number
