1 . ACTION FOR DECLARATION OF FAILURE BY MEMBER STATES TO FULFIL OBLIGATIONS - COMMISSION ' S RIGHT OF ACTION - PROPOSAL WHOSE ADOPTION WOULD TERMINATE THE INFRINGEMENT PENDING BEFORE THE COUNCIL - NO EFFECT ( EEC TREATY , ARTS 155 AND 169 ) 2 . COMMUNITY LAW - INTERPRETATION - METHODS 3 . FREEDOM TO PROVIDE SERVICES - RESTRICTIONS - PROHIBITION - DIRECT EFFECT ( EEC TREATY , ARTS 59 AND 60 ) 4 . FREEDOM TO PROVIDE SERVICES - RESTRICTIONS JUSTIFIED IN THE PUBLIC INTEREST - PERMISSIBILITY - CONDITIONS ( EEC TREATY , ARTS 59 AND 60 ) 5 . FREEDOM TO PROVIDE SERVICES - INSURANCE UNDERTAKINGS - REQUIREMENT OF AN AUTHORIZATION - LAWFULNESS - REQUIREMENT OF A PERMANENT ESTABLISHMENT - UNLAWFULNESS - CO-INSURANCE - LEADING INSURER - REQUIREMENT OF A PERMANENT ESTABLISHMENT - UNLAWFULNESS - REQUIREMENT OF AN AUTHORIZATION - UNLAWFULNESS ( EEC TREATY , ARTS 59 AND 60 ; COUNCIL DIRECTIVE 78/483 )