Changes made by Commission Regulation (EEC) No 3947/89 of 20 December 1989 amending Regulation (EEC) No 3665/87 as regards the grant of export refunds in the case of transshipment or transit operations within the Community of products deemed to have left the customs territory of the Community: Commission Regulation (EEC) No 3665/87 of 27 November 1987 laying down common detailed rules for the application of the system of export refunds on agricultural products