10. Where, immediately before the coming into force of this Order, the restrictions imposed by section 58 applied to the sale, supply or administration of a veterinary drug of a particular description by reason that the veterinary drug fell within the class specified in article 3(1)(e) (certain new products) of the Medicines (Veterinary Drugs) (Prescription Only) Order 1989 those restrictions shall continue to apply to veterinary drugs of that description as though article 3(1)(e) and (2) of that Order had remained in force.