Treaties — Effect in municipal law — EEC Treaty, 1957 — Status of EEC Treaty provisions under municipal law — Articles 48, 52 and 59 of Treaty — Direct effect — Treaty concerning Accession of Greece to European Communities, 1979 — Application of Community law with immediate effect from date of accession — Derogations for transitional period

Relationship of international law and municipal law — Treaties — Incorporation of provisions into municipal legal order — Greek Constitution, Article 28

International organizations — European Economic Community — Institutions — Court of Justice — Powers — Binding nature of rulings by Court of Justice for municipal courts

Aliens — Right to non-discrimination — Scope of protection under EEC Treaty — Freedom of establishment — Whether including right to acquire land in other Community Member States — Whether acquisition must be associated with exercise of activity or provision of services in Member State concerned — The law of Greece