Article 7U.K.
1.Member States shall take ail necessary measures to ensure that a medicated feedingstuff cannot be held, placed on the market or used unless it has been manufactured in accordance with this Directive.
2.Subject to the requirements of Article 4 (2) of Directive 81/851/EEC with regard to the tests to be carried out on veterinary medicinal products, Member States may, however, for scientific purposes, provide for derogations from this Directive, provided there is adequate official control.