Since 1992, manufacturers and importers have been required to represent energy efficiency grades (1st ? 5th) by each model under Regulation on Energy Efficiency Labelling and Standards. This amendment establishes requirements for the energy efficiency labelling (1st- 5th) of all new models of 13 electric products, including Refrigerators, Freezers, Kimchi Refrigerators, Air-conditioners, Washing machines, Horizontal drum washing machines, Dishwashers, Dish driers, Rice cookers, Vacuum cleaners, Electric Fans, Air cleaners and Commercial refrigerators and for the estimated yearly operating cost as of 1 July 2010.