1. INTERNATIONAL AGREEMENTS - CONCLUSION BY THE EEC - OPINION OF THE COURT - ADMISSIBILITY OF REQUESTS FOR AN OPINION - AGREEMENT ENVISAGED - CONCEPT (EEC TREATY, SECOND SUBPARAGRAPH, ARTICLE 228 (1)) 2. INTERNATIONAL AGREEMENTS - CONCLUSION BY THE EEC - OPINION OF THE COURT - ADMISSIBILITY OF REQUESTS FOR AN OPINION - COMPATIBILITY OF AN AGREEMENT WITH THE RULES OF THE TREATY - SUBSTANTIVE RULES AND RULES REGARDING THE EXERCISE OF POWERS (EEC TREATY, SECOND SUBPARAGRAPH, ARTICLE 228 (1)) 3. INTERNATIONAL AGREEMENTS - CONCLUSION BY THE EEC - OPINION OF THE COURT - ADMISSIBILITY OF REQUESTS FOR AN OPINION - BROAD CRITERIA OF ADMISSIBILITY - TIME-LIMIT FOR REQUESTS - NONE (EEC TREATY, SECOND SUBPARAGRAPH, ARTICLE 228 (1)) 4. COMMON COMMERCIAL POLICY - CONCEPT (EEC TREATY, ARTICLE 113) 5. COMMON COMMERCIAL POLICY - IMPLEMENTATION - POWERS OF THE EEC - INTERNATIONAL AGREEMENTS - CONCLUSION (EEC TREATY, ARTICLE 112, 113, 114) 6. COMMON COMMERCIAL POLICY - IMPLEMENTATION - INTERNATIONAL AGREEMENTS - CONCLUSION - EXCLUSIVE POWER OF THE COMMUNITY (EEC TREATY, ARTICLE 113 AND 114) 7. COMMON COMMERCIAL POLICY - IMPLEMENTATION - POSSIBILITY OF BURDENS AND OBLIGATIONS ON THE MEMBER STATES - UNILATERAL ACTION OF THE MEMBER STATES PROHIBITED - COMMON ACTION (EEC TREATY, ARTICLE 113