I basically need to know how to get a New York state tax ID number. I went to the IRS sight and wasn't sure how to do it. I will be working for myself. I will be a commodities trader for a company. I will not be employed by them but they will hire my company to sell for them. But I will be by myself. Can you please give me a link to go to and how to go about it? Do I want to be a sole proprietor, LLC, and etc.? Not sure what to choose or even what I can choose. And how do I set it up so I can pay myself a salary?