12. Generalities. Notifications under this agreement take effect in writing and on the date of delivery. The parties will provide communications by personal delivery or mail to the other party indicated on the purchase order. If you are in North, Central or South America, the New York Law regulates this agreement, with the exception of applicable rules or conflict principles of law, and the parties accept the exclusive jurisdiction of the courts in New York, New York. For clients elsewhere, the law of England and Wales governs this agreement, with the exception of applicable rules or conflict principles of law, and the parties agree with the exclusive jurisdiction of the courts in London, England. This agreement does not create partnerships, agency relationships or joint ventures between the parties. The United Nations Convention on the International Sale of Goods does not apply to this Convention.