1 . EEC TREATY - ARTICLE 220 , FIRST INDENT - SCOPE - OBJECTIVE SET ( EEC TREATY , ART . 220 ) 2 . FREEDOM OF MOVEMENT FOR PERSONS - WORKERS - EQUAL TREATMENT - SOCIAL ADVANTAGES - USE OF LANGUAGES IN COURTS OF CRIMINAL JURISDICTION - EXCEPTIONS MADE IN CERTAIN CIRCUMSTANCES FOR NATIONALS - EXTENSION TO A WORKER WHO IS A NATIONAL OF ANOTHER MEMBER STATE AND FULFILS THE CONDITIONS REQUIRED OF NATIONALS OF THE FIRST MEMBER STATE ( EEC TREATY , ART . 48 ; REGULATION NO 1612/68 OF THE COUNCIL , ART . 7 ( 2 ))