Commission Regulation (EEC) No 3391/83 of 28 November 1983 amending for the fifth time Regulation (EEC) No 1120/75 laying down conditions for the entry of port, Madeira, sherry, Setubal muscatel and Tokay (Aszu and Szamorodni) wines falling within subheadings 22.05 C III a) 1 and b) 1 and 2 and 22.05 C IV a) 1 and b) 1 and 2 of the Common Customs Tariff