Determine the type of tax ID your business needs
Check whether you need an Employer Identification Number (EIN), state tax ID, or local tax ID
Gather your business legal name, structure, address, and responsible party information
Apply for an EIN through the IRS online, by mail, fax, or phone if eligible
Register for a state tax ID through your state’s tax agency if required
Register for any local business tax accounts if required by your city or county
Keep the tax ID confirmation notices and records in a secure place
Use the tax ID when opening business bank accounts, hiring employees, and filing taxes