(11)Member States should ensure that certain types of money laundering activities are also punishable when committed by the perpetrator of the criminal activity that generated the property (‘self-laundering’). In such cases, where, the money laundering activity does not simply amount to the mere possession or use of property, but also involves the transfer, conversion, concealment or disguise of property and results in further damage than that already caused by the criminal activity, for instance by putting the property derived from criminal activity into circulation and, by doing so, concealing its unlawful origin, that money laundering activity should be punishable.