1 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - SUGAR - EXPORT TO NON- MEMBER COUNTRIES - ASSIGNMENT OF LICENCES - SUBSTITUTION OF PRODUCT - DEFLECTION OF TRADE - APPLICATION OF MONETARY COMPENSATORY AMOUNTS - COMMISSION REGULATION NO 101/77 - VALIDITY 2 . MEASURE ADOPTED BY AN INSTITUTION - AMENDMENT OF AN EARLIER PROVISION - SITUATIONS ARISING UNDER THE LATTER - FUTURE EFFECTS - APPLICATION OF THE AMENDING RULE