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Right of workers to grant of residence permits — Whether discretion of member State under municipal law to grant permit superseded by duty of member State to grant permit as of right as provided in E. E. C. Regulation — The law of Germany.

Aliens — Treatment of — Under special treaties establishing supranational 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 as of right to labour and residence permits in other member States — The law of Germany.

Treaties — Operation and enforcement of — Effect in municipal law — European Economic Community (Common Market) Treaty of March 25, 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 member State under municipal law or a matter of right under Regulation — The law of Germany.

Treaties — Special kinds of — European Economic Community (Common Market) Treaty of March 25, 1957 — Regulation of Council of E.E.C. — 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 member State under municipal law or matter of right under E.E.C. Regulation — Regulation 15 of Council of E.E.C. on Freedom of Movement of Workers within E.E.C. of August 16, 1961 — E.E.C. Directive of August 16, 1961 — The law of Germany.