1 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - MILK AND MILK PRODUCTS - BUTTER FROM INTERVENTION STOCKS - DISPOSAL AT REDUCED PRICE TO PROCESSING UNDERTAKINGS - FURTHER PROCESSING - PRODUCTS CONCERNED ( REGULATION NO 1259/72 OF THE COMMISSION , ART . 6 ( 1 ) ( C ) AND ART . 6 ( A ) AS INSERTED BY REGULATION NO 1910/73 ) 2 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - MILK AND MILK PRODUCTS - BUTTER FROM INTERVENTION STOCKS - DISPOSAL AT REDUCED PRICE TO PROCESSING UNDERTAKINGS - FURNISHING OF SECURITY - DIVERSION OF PROCESSED PRODUCTS FROM INTENDED FINAL USE - SECURITY FORFEIT ( REGULATION NO 1259/72 OF THE COMMISSION , ARTS 6 ( 1 ) ( C ), 6 ( A ), AND 18 ( 2 )) 3 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - MILK AND MILK PRODUCTS - BUTTER FROM INTERVENTION STOCKS - DISPOSAL AT REDUCED PRICE TO PROCESSING UNDERTAKINGS - FURNISHING OF SECURITY - RELEASE OF SECURITY - CONDITIONS - NATIONAL RULES REGULATING QUALITY OF FOODSTUFFS - NO EFFECT ( REGULATION NO 1259/72 OF THE COMMISSION , ART . 6 ( 1 ) ( C ))