(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."