The World Heritage Committee recommends paying particular attention to the conservation of authenticity and to inaccurate reconstructions and the risk of over-interpretation, with regard to restoration and development works, including architectural restorations and of technical historical reconstructions (based on Case law on decisions on Nominations).
7. "[The World Heritage Committee] decides that comparative analyses by States Parties as part of the nomination dossier shall be undertaken in relation to similar properties, whether or not on the World Heritage List, both at the national and international levels."
The World Heritage Committee recommends undertaking a deep comparative analysis in order to demonstrate the Outstanding Universal Value of the property by fully assessing the relative values of the nominated property against other sites (based on Case law on decisions on Nominations).
35. (i) “States Parties may propose in one single nomination several individual cultural properties, which may be in different geographical locations but which should:
- be linked because they belong to the same historic-cultural group, or
- be the subject of a single safeguarding project, or
- belong to the same type of property characteristic of the zone
Each State Party submits only the cultural properties situated on its territory (even if these properties belong to an ensemble which goes beyond its borders) but it may come to an agreement with another State Party in order to make a joint submission”.
(e) States Parties may propose in a single nomination a series of cultural properties in different geographical locations, provided that they are related because they belong : (i) to the same historico-cultural group or (ii) to the same type of property which is characteristic of the geographical zone and provided that it is the series as such and not its components taken individually, which is of outstanding universal value."
2. "[The World Heritage Committee notes] that some large complex serial transnational nominations may benefit from an agreed nomination strategy before their official submission, (…);
5. [The World Heritage Committee] emphasizes that, if and when, it takes note of a nomination strategy, this is not prejudicial and does not imply that the complex serial transnational nominations proposed would necessarily lead to an inscription on the World Heritage List."