This Governmental Regulation establishes the procedures for the issuance, modification and revocation of licences for activities that have an environmental impact, including: (a) processing of mineral raw materials; (b) mining; (c) solid domestic waste management; (d) disposal of toxic and hazardous waste or hazardous substances; (e) water supply and waterworks management; and (f) land reclamation and irrigation system management. The issuance of licences shall be subject to prior Environmental