++++ 1 . APPLICATION FOR ANNULMENT - NATURAL OR LEGAL PERSONS - CHALLENGE TO THE LEGALITY OF A COMMUNITY MEASURE - POSSIBILITY OF BRINGING A DIRECT ACTION BEFORE THE COURT - ACTION BEFORE A NATIONAL COURT DIRECTED AGAINST NATIONAL IMPLEMENTING MEASURES AND BASED ON THE ILLEGALITY OF THE COMMUNITY MEASURE - CONCURRENT EXISTENCE ( EEC TREATY, ART . 173, SECOND PARAGRAPH ) 2 . AGRICULTURE - COMMON AGRICULTURAL POLICY - CHANGE IN THE COUNCIL' S POLICY WITH REGARD TO THE MANAGEMENT OF A COMMON ORGANIZATION OF THE MARKET - VESTED RIGHT OF TRADERS TO THE MAINTENANCE OF PREVIOUS ADVANTAGES - NONE - FUNDAMENTAL RIGHTS - FREEDOM TO PURSUE A TRADE OR PROFESSION - BREACH - NONE 3 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - MILK AND MILK PRODUCTS - COMMISSION DECISION ON MEASURES FOR THE PROMOTION OF SALES OF BUTTER ON THE WEST BERLIN MARKET - AIM - STABILIZATION OF THE MARKETS - AUTHORIZATION CONFERRED BY THE COUNCIL - OBSERVANCE - PRINCIPLE OF PROPORTIONALITY - BREACH - NONE ( EEC TREATY, ART . 39*(1)*(C ); COUNCIL REGULATION NO 1079/77, ART . 4 ) 4 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - MILK AND MILK PRODUCTS - AUTHORIZATION CONFERRED ON THE COMMISSION TO ADOPT MEASURES FOR THE EXPANSION OF THE MARKET IN MILK PRODUCTS AND FOR THE DISPOSAL OF SURPLUSES - ARTICLE 4 OF COUNCIL REGULATION NO 1079/77 - LEGALITY ( COUNCIL REGULATION NO 1079/77, ART . 4 )