× 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. Operational Guidelines for the implementation of the World Heritage Convention Document type Decision Reference number XI.(d).63 Date Sep 5, 1978 SourceUNEP, InforMEA Status Active Subject Wild species & ecosystems Treaty Convention concerning the Protection of the World Cultural and Natural Heritage (Nov 23, 1972) Meeting 2e session du Comité Website whc.unesco.org Abstract The Committee authorized the Secretariat to amend the above-mentioned Operational Guidelines, adopted by the Committee at its first session, to bring them into line with the decisions taken at the second session.