International law in general — Relation to municipal law — Treaties — Municipal enabling legislation — Interpretation by reference to aim and purpose of treaty — Geneva Convention for the Suppression of Illicit Traffic in Narcotic Drugs, 1936 — The law of Austria

Treaties — Conclusion and operation of — Effect of municipal legislation — Enabling legislation — Interpretation by reference to origin and purpose of Convention — Geneva Convention for the Suppression of Illicit Traffic in Narcotic Drugs, 1936 — The law of Austria

Jurisdiction — In general — Personal — Over nationals in respect of crimes committed abroad — Importation of drugs into foreign State — Geneva Convention for the Suppression of Illicit Traffic in Narcotic Drugs, 1936 — Municipal enabling legislation — Prosecution in forum State for endangering public health — Whether public health outside forum State protected — Whether enabling legislation to be interpreted by reference to aims and purpose of Convention — Personal principle as basis of jurisdiction — Whether penalty inflicted abroad to be taken into account in determining sentence in forum State — The law of Austria