The present Document D7.3 “Guidelines for the implementation of the Circular Economy models” document has been elaborated for project paperChain, within the EU Horizon 2020 framework, under the grant agreement No. 730305. It aims to summarize the conclusions obtained in the Task 7.3 “Management Guidelines”, and tries to provide a valuable document for an early guiding for the implementation and replicability of the 5 Circular Economy Models proposed at PAPERCHAIN solution for the Construction, Transport and Chemical Sectors: CC1 Construction manufacturing: a) Filler aggregate in pre-cast Concrete b) Fillers and fine aggregates in asphalt pavements CC2 transport Infrastructures: Road Sector Hydraulic Road Binder applications CC3 transport Infrastructures Railway Sector: Slope stabilization with Gabion wall construction CC4 Chemical industry: bioethanol and Ethyl Chloride alternative production. CC5 Mining Industry: mining waste sealing layer for mine reclamation.