Aliens — Treatment of — Administrative restrictions on land purchase — Whether prohibited by treaty

Human rights — Hearing, right to — Determination of civil rights and obligations — European Convention on Human Rights, 1950, Article 6(1) — Whether administrative proceedings regarding purchase of land by aliens must comply with Article 6(1)

State succession — Treaties — Austria — Re-establishment of Republic of Austria — Germany after World War II — Pre-war treaties between Austria and Germany — Whether in force between re-established Republic of Austria and Federal Republic of Germany

Treaties — Termination — Desuetude — Conduct of parties as evidence of — Austria-Germany Commercial Treaty, 1930 — The law of Austria