This part does not supersede any other statute or law relating to forfeiture of property and may be used in conjunction with administrative forfeiture laws. This law pertaining to the forfeiture of property is remedial and shall be liberally construed to effect its purpose. This part shall apply retroactively to all proceeds acquired or received prior to June 27, 1998, if the conduct giving rise to forfeiture constituted a criminal offense at the time of the acquisition of the property.