21. The Committee heard the report of the working group set up to examine measures to improve the balance between the cultural and the natural heritage in the implementation of the Convention and agreed with the recommendations set out below:
1) Preparatory assistance to States Parties should be granted on a priority basis for:
(i) the establishment of tentative lists of cultural and natural properties situated in their territories and suitable for inclusion in the World Heritage List;
(ii) the preparation of nominations of types of properties underrepresented in the World Heritage List.