Treaties — Conclusion and operation of — Operation and enforcement of — Necessity for municipal legislation — Franco-Swiss Agreements concerning relations along Doubs boundary — Exchange of Notes of 1948 unpublished in France — Whether applicable — Agreement between French and Swiss heads of fisheries services — Whether an international agreement in terms of Article 26 of French Constitution of 1946 — Franco-Swiss Conventions of 1884 and 1938 concerning boundary relations — Whether Decrees issued in application of these Conventions conferred competence on Prefect of Doubs to regulate fisheries — The law of France.

State territory — Parts of — Water boundaries — Rivers — Franco-Swiss Doubs boundary — Regulation of fisheries — Doubs boundary excepted for general French legislation on fisheries — Franco-Swiss Agreements — 1948 Agreement in simplified form — Not duly published in France — Whether applicable — Agreement between French and Swiss heads of fisheries services — Whether applicable as an international agreement — French Constitution of 1946 (Article 26) — Franco-Swiss Conventions of 1884 and 1938 concerning hunting offences and frontier relations — Provision for application by means of French prefectural decrees in agreement with Swiss authorities — Whether conferring competence on Prefect of Doubs to regulate fishing — The law of France.