The Certificates of Release to Consumption of Biofuels (CICs) are issued by Gestore dei Servizi Energetici (GSE S.p.A.). They certify that a sustainable renewable energy carrier for transport was released for consumption in a given year. CICs, which are distinguished into the types specified in the Technical Rules, are tradable in the regulated market of GME, called Market for certificates of release to consumption of biofuels (MCIC).