International law — Relation to municipal law — Special treaties establishing supra-national organizations — European Economic Community — E.E.G. Regulation on Freedom of Movement of Workers within Community — Right of workers to grant of residence permits — Whether discretion under municipal law of member State to grant permits superseded by duty of member State to grant permit as of right as provided in E.E.C. Regulation — The law of Germany.

The individual in international law — Aliens — Position of — Treatment by and responsibilities of receiving State — Under special treaties establishing supra-national organizations — European Economic Community — Regulation of Council of E.E.C. conferring right of freedom of movement on workers in territories of member States — Whether workers of member States entitled to labour and residence permits in other member States as of right — The law of Germany.

Treaties — Conclusion and operation of — Operation and enforcement of — Necessity for municipal legislation — Treaty establishing European Economic Community, 1957 — Regulation of Council of E.E.C. — Regulation conferring freedom of movement on workers of member States of E.E.C. — Grant of residence permits — Whether grant of permits in discretion of authorities of member State as provided in municipal law or whether grant a matter of right as provided in Regulation — The law of Germany.

Treaties — Special kinds of — Treaty establishing European Economic Community, 1957 — Regulation of Council of E.E.C. under Treaty — Regulation providing for freedom of movement of workers within Community — Regulation conferring right on nationals of member States to work and live in other member States — Whether grant of residence permit in discretion of authorities of member State as provided in municipal law or whether grant a matter of right as provided in E.E.C. Regulation — Regulation 15 of Council of E.E.C. of 16 August 1961 on Freedom of Movement of Workers within E.E.C. — E.E.C. Directive of 16 August 1961 — The law of Germany.