Article 8 Revocation Original text. Later amendments are not shown. The Medicines (Veterinary Drugs) (Prescription Only) Order 1991f1 and the Medicines (Veterinary Drugs) (Prescription Only) (Amendment) Order 1991f2 are revoked. Annotations Footnotes f1 S.I. 1991/1392, as amended by S.I. 1991/2568, 1994/3142. f2 S.I. 1991/2568. ← Article 7 Article 8 Signature →