The present document identifies the potential regulatory impacts associated to the operation of SatCom solutions implementing cognitive radio techniques. In particular it addresses different scenarios in Ka band (17@3 GHz - 20@2 GHz for space to earth and 27@5 GHz - 30@0 GHz for earth to space) where the satellite communication service should not create any harmful interference to another incumbent whether terrestrial or satellite service entitled to use the same spectrum on a primary basis. It includes in particular: ? market information; ? technical information (including expected sharing and compatibility issues); ? regulatory issues. The present document also identifies the existing related ETSI standards enabling this kind of architecture.