1 . PROCEDURE - ORIGINATING APPLICATION - SUBJECT-MATTER OF THE DISPUTE - DELIMITATION - ALTERATION ONCE PROCEEDINGS HAVE BEEN STARTED - NOT ALLOWED ( RULES OF PROCEDURE , ART . 42 ) 2 . PROCEEDINGS UNDER ARTICLE 169 - STAGE PRIOR TO ACTION - INVITATION TO MEMBER STATE TO SUBMIT OBSERVATIONS - REASONED OPINION - PURPOSE - DELIMITATION OF THE SUBJECT-MATTER OF THE DISPUTE - NO SUBSEQUENT EXTENSION PERMITTED ( EEC TREATY , ART . 169 , FIRST PARA .) 3 . FREE MOVEMENT OF GOODS - QUANTITATIVE RESTRICTIONS - CONCEPT OF MEASURES HAVING EQUIVALENT EFFECT - INCLUDES NATIONAL RULES RELATING TO PRODUCTION AND MARKETING - ABSENCE OF COMMON COMMUNITY RULES OR HARMONIZING DIRECTIVES - NO EFFECT ( EEC TREATY , ART . 30 ) 4 . FREE MOVEMENT OF GOODS - QUANTITATIVE RESTRICTIONS - MEASURES HAVING EQUIVALENT EFFECT - SYSTEM OF IMPORT LICENCES - NOT ALLOWED - PURELY FORMAL NATURE OF THE SYSTEM - IMMATERIAL - POSSIBLE JUSTIFICATION UNDER ARTICLE 36 ( EEC TREATY , ARTS 30 AND 36 ) 5 . FREE MOVEMENT OF GOODS - QUANTITATIVE RESTRICTIONS - MEASURES HAVING EQUIVALENT EFFECT - DISCRETIONARY POWER OF NATIONAL AUTHORITIES - IMMATERIAL TO THE CLASSIFICATION OF MEASURES AS PROHIBITED ( EEC TREATY , ART . 30 ) 6 . FREE MOVEMENT OF GOODS - EXCEPTIONS - PROTECTION OF THE HEALTH OF ANIMALS - SYSTEM OF IMPORT LICENCES FOR MILK - JUSTIFICATION - CONDITIONS - PROPORTIONALITY OF NATIONAL MEASURES IN RELATION TO THE OBJECTIVE PURSUED ( EEC TREATY , ART . 36 ) 7 . FREE MOVEMENT OF GOODS - QUANTITATIVE RESTRICTIONS - MEASURES HAVING EQUIVALENT EFFECT - REQUIREMENT TO HAVE IMPORTED UHT MILK HEAT-TREATED A SECOND TIME AND REPACKED - NOT ALLOWED - EXCEPTION - PROTECTION OF THE HEALTH OF HUMANS - JUSTIFICATION OF NATIONAL MEASURES - CONDITIONS - PROPORTIONALITY IN RELATION TO THE OBJECTIVE PURSUED ( EEC TREATY , ARTS 30 AND 36 ) 8 . FREE MOVEMENT OF GOODS - EXCEPTIONS - PROTECTION OF THE HEALTH OF HUMANS - PERMISSIBILITY - CONDITIONS - HEALTH INSPECTIONS - DUAL CONTROL - NEED FOR COOPERATION BETWEEN THE AUTHORITIES OF MEMBER STATES ( EEC TREATY , ART . 36 )