You won't have to share your SSN with customers ... which is assigned to people who can't get SSNs. Can I use my Social Security number instead of an EIN? You may be able to use your Social ...

The person obtaining the EIN on behalf of the irrevocable trust must already have their own tax identification number (SSN, ITIN, or EIN) that is separate and distinct from the EIN being obtained ...

Employer Identification Number (EIN) Definition: A 9-digit number obtained by a business with paid employees from the IRS. If you're a sole proprietorship, your EIN is your social security number.