Separate Opinion of Judge ad hoc Mahiou (translation)

70

SEPARATE OPINION OF JUDGE MAHIOU

[Translatwn}

App!Jcatwnfor revrswn - Admrsslblilfy of the Appllcatwn - Article 61 of
the Statute of the Court- Notwn of 'fact"- Existence or non-ex1stenceof a
newfact- Membersh1pm the Umted Natwns- Jurzsdzctwn ratiOne personae,
ratwne matenae arJd'fat'lOne.tempons of the Court -Admtsswn to the Umted
Natwns and consequences- GenoctdeConventwn- Conduct of the Appltcant
- Fault of the Appl!cant

Separate opinion of Judge Greenwood

SEPARATE OPINION OF JUDGE GREENWOOD

Procedural obligations under the Statute of the River Uruguay — Whether

Uruguay has violated those obligations — Duty to inform CARU of proposed
works — Duty to notify Argentina — Duty to negotiate in good faith —
Whether steps taken or authorized by Uruguay violate those obligations — Evi-
dence before the Court — Burden of proof — Standard of proof — Relationship
between experts, witnesses and counsel — Continuing obligations of the Parties.

TABLE OF CONTENTS

Declaration of Judge Yusuf

DECLARATION OF JUDGE YUSUF

1. I concur in the Judgment, but have some reservations regarding the

manner in which the Court decided to handle the abundant factual mat-
erial presented by the Parties. I am of the view that the Court should
have had recourse to expert assistance, as provided in Article 50 of its
Statute, to help it gain a more profound insight into the scientific and
technical intricacies of the evidence submitted by the Parties, particularly
with regard to the possible impact of the effluent discharges of the Orion

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