Treaties — Conclusion and operation of — Effect of municipal legislation — Warsaw Convention on International Air Transport, 1929 — Effect of Belgian Law passed prior to Belgium's ratification of Convention — Competence of United States court to determine ratification of treaty by foreign Head of State — The law of the United States of America.

Treaties — Conclusion and operation of — Ratification — Treaty's procedure for establishing ratification determinative — Effect of foreign municipal legislation inconsistent with treaty provisions on ratification of treaty — Warsaw Convention on International Air Transport, 1929 — The law of the United States of America.