Jurisdiction — Territorial — Foreign armed forces — Civil jurisdiction of receiving State — Contractors for United States forces stationed in Spain — Employment of United States national — Claim for unlawful dismissal — Whether subject to jurisdiction of Spanish courts — Treaty of Friendship and Cooperation between Spain and the United States, 1970 — Implementing Agreement for Treaty, 1970

Treaties — Effect in municipal law — Entry into force — Requirement of prior publication in State official journal — Whether publication of implementing agreement for treaty required where treaty itself has been published

Relationship of international law and municipal law — Treaties — Incorporation into municipal law — Requirement of publication in State official journal — Whether failure to publish implementing agreement for treaty a bar to its municipal enforcement — The law of Spain