Terms and Conditions before Sign Up for Pro Sites

I would like prospective customers to have to view and accept terms and conditions before signing up to one of the Pro Sites packages in my pricing table displayed on the signup page (http://skillsguru.web.za/pro-site/?action=new_blog) This is due to the fact that I have a minimum 2-year contract i.e. by signing up they agree to pay up to 2 years subscriptions if they leave before the end of the 2 year period. Is there any way to include a terms and conditions that they must accept in the sign-up process?