REGULATION (EU) No 1238/2010 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 15 December 2010 amending Annex I to Council Regulation (EEC) No 2658/87 as regards the provision of duty-free treatment for specified pharmaceutical active ingredients bearing an ‘international non-proprietary name’ (INN) from the World Health Organization and specified products used for the manufacture of finished pharmaceuticals