Regulation (EEC) No 1284/75 of the Council of 20 May 1975 amending Regulations (EEC) No 2901/74, (EEC) No 2903/74, (EEC) No 2905/74, (EEC) No 2906/74 and (EEC) No 2907/74 establishing Community supervision of imports of certain products originating in Austria, Iceland, Portugal, Sweden and Switzerland respectively.