(20)To take account of innovation in waste treatment technology with regard to environmentally sound management, as well as of changes in consumer behaviour with regard to the sorting of waste, it is essential that Annexes IIIA and IIIB be continuously updated. The Commission should in particular assess whether to add entries on mixtures of waste footwear, waste clothing and other textile waste to Annex IIIA, as well as on mineral wool and mattresses to Annex IIIB.