++++ 1 . MEMBER STATES - SOVEREIGNTY - LIMITATION IN FAVOUR OF COMMUNITY INSTITUTIONS - FISCAL SOVEREIGNTY INVOLVED 2 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - LEVY - CONCEPT 3 . AGRICULTURE - COMMON ORGANIZATION OF THE MARKETS - LEVY - LEGALITY - VALIDITY OF RULES NOT AFFECTED BY THE NATURE OF THE LEVY 4 . AGRICULTURE - POULTRY MEAT - COMMON ORGANIZATION OF THE MARKETS - SLUICE-GATE PRICE - INTERNAL FREE-AT-FRONTIER PRICE - LEVY - INCREASE BY THE IMPORTING MEMBER STATE - LEGALITY ( REGULATION NO 22 OF THE COUNCIL, ARTICLE 6(3 ) AND ( 4 )) 5 . AGRICULTURE - POULTRY MEAT - COMMON ORGANIZATION OF THE MARKETS - IMPORTS FROM THIRD COUNTRIES - SLUICE-GATE PRICE - INTERNAL FREE-AT-FRONTIER PRICE - LEVY - INCREASE - INDIVIDUAL OFFER PRICES NOT TO BE TAKEN INTO CONSIDERATION ( REGULATION NO 22 OF THE COUNCIL, ARTICLE 6(3 ); REGULATION NOS 109/62 AND 135/62 OF THE COMMISSION ) 6 . INSTITUTIONS OF THE EEC - COMMON PROVISIONS - REGULATIONS - ENTRY INTO FORCE - DATE - POWER OF THE INSTITUTIONS TO FIX THAT DATE - REVIEW BY THE COURT ( EEC TREATY, ARTICLE 191 )