If you do not do so, we may engage in collections efforts to recover such amounts from you at your cost and expense.</p> </li> <li> <p> <strong>Your Representations, Warranties and Covenants</strong> You represent and warrant to us that: (i) if you are a sole proprietor, you are at least eighteen (18) years of age or, if you are a corporation or other entity, that the person entering into this Agreement on your behalf is at least eighteen (18) years of age, is authorized to act on your behalf, and has the authority to bind you to this Agreement.