Determine if you need an EIN (required for most businesses and for hiring employees, opening certain accounts, or filing taxes)
Choose how you will apply (online, fax, or mail, depending on eligibility and your location)
Apply online (IRS EIN Assistant) if eligible
Complete the EIN application form (IRS Form SS-4 details in the application)
Provide required information (legal name, mailing address, responsible party/SSN or ITIN, entity type, and reason for applying)
Submit the application
If applying online and approved immediately, save your EIN confirmation notice
If applying by fax or mail, wait for IRS processing and then use the EIN once issued
Verify the EIN is correct before using it for banking, payroll, and tax filings