If you plan on having employees, register with the IRS to obtain an Employee Identification Number (EIN) - think of it as a social security number for your business that is used to pay business and payroll taxes, or applying for a bank account. Your EIN is a unique identifier. It does not expire, and once assigned, is never issued again.
If you are a sole proprietor and do not have any employees, you may use your personal Social Security Number in place of an EIN. However, you may still consider obtaining an EIN - it's a fast and easy way to protect your Social Security Number.
After you’ve completed this step you’ll have: