These Regulations amend the principal Regulations of 1984 so as to give effect to Commission Decision 92/508/EEC, Commission Directive 92/87 EEC and Commission Directive 92/89/EEC. Commission Decision 92/508/EEC amends the list of ingredients whose use is prohibited in compound feedingstuffs. Commission Directive 92/87/EEC establishes a list of the main ingredients normally marketed and used in the manufacture of compound feeds for animals other than pets. A common name and description is given to each ingredient and this common name must be used for labelling purposes. Commission Directive 92/89/EEC amends the current Community method of analysis for crude fibre in feedingstuffs.