( EEC TREATY , ARTS 48 AND 56 ) 2 . FREEDOM OF MOVEMENT FOR PERSONS - WORKERS - RIGHT OF MEMBERS OF THE FAMILY TO TAKE PAID EMPLOYMENT - SCOPE - ACCESS TO A REGULATED OCCUPATION - CONDITIONS ( REGULATION NO 1612/68 OF THE COUNCIL , ART . 11 ) 3 . FREEDOM OF MOVEMENT FOR PERSONS - WORKERS - RIGHT OF MEMBERS OF THE FAMILY TO TAKE PAID EMPLOYMENT - EQUAL TREATMENT - CONDITIONS OF NATIONALITY - NONE ( REGULATION NO 1612/68 OF THE COUNCIL , ARTS 3 ( 1 ) AND 11 ) 4 . FREEDOM OF MOVEMENT FOR PERSONS - WORKERS - ACCESS TO EMPLOYMENT - EQUAL TREATMENT - SCOPE ( REGULATION NO 1612/68 OF THE COUNCIL , ART . 3 ( 1 )) 5 . FREEDOM OF MOVEMENT FOR PERSONS - WORKERS - RIGHT OF MEMBERS OF THE FAMILY TO TAKE PAID EMPLOYMENT - EQUAL TREATMENT - DOCTOR - RECOGNITION OF QUALIFICATIONS - BASIS - IRRELEVANT ( REGULATION NO 1612/68 OF THE COUNCIL , ART . 11 ; COUNCIL DIRECTIVE 75/363 ) 1 . THE RIGHT RETAINED BY MEMBER STATES UNDER ARTICLES 48 AND 56 OF THE TREATY TO RESTRICT FREEDOM OF MOVEMENT ON GROUNDS OF PUBLIC HEALTH IS INTENDED NOT TO EXCLUDE THE PUBLIC HEALTH SECTOR , AS A SECTOR OF ECONOMIC ACTIVITY AND FROM THE POINT OF VIEW OF ACCESS TO EMPLOYMENT , FROM THE APPLICATION OF THE PRINCIPLES OF FREEDOM OF MOVEMENT BUT TO PERMIT MEMBER STATES TO REFUSE ACCESS TO THEIR TERRITORY OR RESIDENCE THERE TO PERSONS WHOSE ACCESS OR RESIDENCE WOULD IN ITSELF CONSTITUTE A DANGER FOR PUBLIC HEALTH .