A standing invitation to tender is opened in order to determine the export refund on the following milk products referred to in Section 9 of Annex I to Commission Regulation (EEC) No 3846/87(1), guaranteeing equality of access for all persons established in the Community:
natural butter in blocks of at least 20 kilograms net weight falling under product code ex 0405 10 19 9700;
butteroil in containers of at least 20 kilograms net weight falling under product code ex 0405 90 10 9000;
skimmed milk powder in bags of at least 25 kilograms net weight and containing no more than 0,5 % by weight of added non-lactic matter falling under product code ex 0402 10 19 9000.