++++ 1 . FREE MOVEMENT OF PERSONS - FREEDOM OF ESTABLISHMENT - FREEDOM TO PROVIDE SERVICES - DEROGATIONS - ACTIVITIES CONNECTED WITH THE EXERCISE OF OFFICIAL AUTHORITY - TEACHING PROVIDED BY PRIVATE SCHOOLS OR GIVEN AT HOME - EXCLUSION - EXCLUSION OF NATIONALS OF OTHER MEMBER STATES - NOT PERMISSIBLE ( EEC TREATY, ARTS 52, 55 AND 59 ) 2 . FREE MOVEMENT OF PERSONS - WORKERS - RIGHT TO TAKE UP EMPLOYMENT - TRANSITIONAL PROVISIONS OF THE ACT OF ACCESSION OF THE HELLENIC REPUBLIC - EXCLUSION OR RESTRICTION OF THE RIGHT OF NATIONALS OF OTHER MEMBER STATES ALREADY EMPLOYED IN GREECE AND OF MEMBERS OF THEIR FAMILIES TO TAKE UP THE POSTS OF DIRECTOR OR TEACHER IN PRIVATE SCHOOLS - NOT PERMISSIBLE ( EEC TREATY, ART . 48; ACT OF ACCESSION OF THE HELLENIC REPUBLIC, ARTS 44 AND 45 )