Determine whether you need an EIN for your business or entity
Gather the legal name, address, and responsible party information
Decide the business structure and reason for applying
Apply online through the IRS EIN Assistant if eligible
Apply by fax using IRS Form SS-4
Apply by mail using IRS Form SS-4
Apply by phone if applying from outside the U.S.
Receive the EIN confirmation letter from the IRS
Keep the EIN records with your business documents