× Information on this section of ECOLEX comes from the InforMEA Portal which compiled information from MEA Secretariats with the support of the European Union. The accuracy of the information displayed is the responsibility of the originating data source. In case of discrepancy the information as displayed on the respective MEA website prevails. Criteria for the inclusion of cultural properties in the World Heritage List Tipo de documento Decision Número de referencia VI.A(d).35 Fecha Jun 27, 1977 FuenteUNEP, InforMEA Estado Activo Materia Especies silvestres y ecosistemas Tratado Convención para la Protección del Patrimonio Mundial, Cultural y Natural (Nov 23, 1972) Reunión 1ère session du Comité Página web whc.unesco.org Resumen A working group under the chairmanship of Mr. David F. Hales (U.S.A.) then reviewed in detail the criteria and presented a revised text to a later meeting. With some minor changes in form proposed by the Chairman of the working group, the criteria were unanimously adopted by the Committee.