Lake Lanoux Arbitration (France v. Spain).

Abstract

Sovereignty — In Foreign Relations — Limitations on — Limited Recognition of, by International Courts.

State Territory — Rivers — Functions and Competence of International River Commissions — As to Construction of Works on River — International Commission for the Pyrenees.

Treaties — Interpretation of — Principles and Rules of — Applicability of Rules of International Law — Absence of Rigid Method of Interpretation — Comparison of Texts of Bilingual Treaties — Avoidance of Reference to Preliminary Negotiations.

Treaties — Miscellaneous — Obligation to Negotiate Terms for International Agreement.

State Territory — Parts of — Rivers — Utilization of Flow of — Adverse Affection of Rights and Interests of Neighbouring State — Interests Going Beyond Specific Legal Rights — Whether Prior Agreement Necessary for Exercising Rights under Treaty — State Whose Interests May be Affected as Sole Judge Thereof — Right to Information on Proposed Works — Necessity for Genuineness of Prior Negotiations — Obligation of Good Faith — Recognition of Legality of Enjoyment of Use of Water — Adverse Effect of Diversion for Works of Public Utility — Whether Payment of Compensation Sufficient — Sufficiency of Guaranteed Restitution of Water — Necessity for Reconciling Interests by Mutual Concessions — Respective Rights of Upstream and Downstream States with Regard to Schemes.