Jurisdiction — Law of the flag — Matters governed by — Meaning of doctrine of internal economy of ship — The law of the United States of America.

Treaties — Conclusion and operation of — Effect of municipal legislation — Legislation alleged to conflict with earlier treaty — Consular Convention and Treaty of Friendship, Commerce and Navigation between the United States and Liberia — Municipal labour relations legislation — The law of the United States of America.

Jurisdiction — Territorial — Jurisdiction over foreigners — Scope of municipal labour relations statute — Application to charge of unfair labour practices of national owner of foreign-flag vessels with alien crews regularly visiting domestic ports — Evaluation of contacts with State of forum and flag State — Claim of conflict posed by application of statute with provisions of Consular Convention and Treaty of Friendship, Commerce and Navigation between the United States and Liberia — The law of the United States of America.