1 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - COMMUNITY ARRANGEMENTS - BURDEN OF COSTS - DISCRIMINATORY DISTRIBUTION BETWEEN THE VARIOUS AGRICULTURAL SECTORS - NOT PERMISSIBLE ( EEC TREATY , ARTICLE 39 AND SECOND SUBPARAGRAPH OF ARTICLE 40 ( 3 )) 2 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - SKIMMED-MILK POWDER HELD BY INTERVENTION AGENCIES - COMPULSORY PURCHASE - COUNCIL REGULATION ( EEC ) NO 563/76 - INVALIDITY