Such denominations are registered by the International Bureau of WIPO in Geneva upon the request of the competent authority of a Contracting State. The International Bureau keeps the International Register of Appellations of Origin and formally notifies the other Contracting States of the registrations. It also publishes them in the Lisbon system's official bulletin Appellations of Origin. A Contracting State may declare, within one year of receiving the notice of registration, that it cannot ensure the protection of a registered appellation within its territory (Article 5(3)).