These Regulations, which control the content of undesirable substances and products in feedingstuffs and feed materials, consolidate existing legislation and implement additional amendments to Council Directive 74/63/EEC. Feed materials may only be put into circulation if they are sound, genuine and of merchantable quality. In particular, and subject to Part I of the Second Schedule to these Regulations, feed materials cannot be considered as sound, genuine and of merchantable quality if the lev