Don't quote me on this as I may be wrong. But I do believe it is possible to register your business in the states. Not sure how it works but I do know you can form an LLC in the United States (
http://www.thecompanycorporations.com can fill that blank in) and once you are a member, make your PayPal account a "Business Account" --- I'm sure adding a few more steps, you'll have a working PayPal account.
I'll search into it for you, if you want, you can shoot to Yahoo Answers and get somebody to research it for you while I try to help you out.