Treaties — Interpretation of — Consideration of preparatory work — Interpretation by reference to history of origin — Interpretation in accordance with domestic law of one contracting party — The law of Germany.

The individual in international law — Aliens — Position of — Plea of non-discrimination — Right to equality before the law — Whether guaranteed to aliens by Austrian Constitution — Whether guaranteed by European Convention for Protection of Human Rights and Fundamental Freedoms, 1950 (Article 14) — The law of Austria.