3rd stakeholder group meeting regarding barriers (contractual, technical, regulatory) to industrial symbiosis development. Stakeholders will have to provide suggestions on regulatory & legislative measures that can reduce the impact of these barriers and facilitate the transition to secondary raw resources. Furthermore stakeholders will discuss the conclusions of 3nd SYMBI Interregional Workshop "Interregional workshop on how to stimulate raw materials markets " which will take place in Molise 20-21 March 2018.