Treaties — Application by municipal courts — Interpretation — Regulations issued by United States Executive implementing treaty obligations — Extent to which United States courts bound by Executive’s interpretation of treaties — NATO Status of Forces Agreements 1951 and 1959

Relationship of international law and municipal law — Interpretation of legislation — Presumption that Congress did not intend to legislate in manner contrary to treaty obligations — Legislation concerning employment discrimination at United States military bases — Treaty exception to legislation — Whether exception including regulations issued by Executive pursuant to treaty obligation

Treaties — Form — Regulations issued by Executive implementing treaty obligations — Effect in municipal law — Whether constituting a treaty — NATO Status of Forces Agreements, 1951 and 1959 — The law of the United States