1. Any request for extension of the protection resulting from the international registration to any Contracting Party shall be specially mentioned in the international application.
2. A request for territorial extension may also be made subsequently to the international registration. Any such request shall be presented on the form prescribed by the Regulations. It shall be immediately recorded by the International Bureau, which shall notify such recordal without delay to the Office or Offices concerned. Such recordal shall be published in the periodical gazette of the International Bureau. Such territorial extension shall be effective from the date on which it has been recorded in the International Register; it shall cease to be valid on the expiry of the international registration to which it relates.