4. "[The World Heritage Committee] (…) recalls that, in order to be effective, the upstream support should ideally take place at an early stage, preferably at the moment of the preparation or revision of the States Parties’ Tentative Lists."
The World Heritage committee recommends addressing landscape surveys and the historic evolution of the landscape, as a holistic reflection of history and cultural traditions and of the interaction between culture and nature, including the way the landscape has been shaped by human practices and natural resources (based on Case law on decisions on Nominations).
4. Encourages States Parties to integrate the notion of historic urban landscape in nomination proposals and in the elaboration of management plans of properties nominated for inscription on the World Heritage List;
5. Also encourages States Parties to integrate the principles expressed in the Vienna Memorandum into their heritage conservation policies;
6. Requests the Advisory Bodies and the World Heritage Centre to take into account the conservation of the historic urban landscape when reviewing any potential impact on the integrity of an existing World Heritage property, and during the nomination evaluation process of new sites."