Director-General of the United Nations Educational, Scientific
and Cultural Organization, the Director-General of the World
Intellectual Property Organization and the Secretary-General of the
Organization of American States, or their representatives, may attend
meetings of the Committee in an advisory capacity.

ARTICLE XII

The Intergovernmental Committee shall convene a conference for revision
whenever it deems necessary, or at the request of at least ten States
party to this Convention.

ARTICLE XIII

1. Any Contracting State may, at the time of deposit of its instrument
of ratification, acceptance or accession, or at any time thereafter,
declare by notification addressed to the Director-General that this
Convention shall apply to all or any of the countries or territories
for the international relations of which it is responsible and this
Convention shall thereupon apply to the countries or territories named
in such notification after the expiration of the term of three months
provided for in Article IX. In the absence of such notification, this
Convention shall not apply to any such country or territory.

2. However, nothing in this Article shall be understood as implying
the recognition or tacit acceptance by a Contracting State of the
factual situation concerning a country or territory to which this
Convention is made applicable by another Contracting State in
accordance with the provisions of this Article.

ARTICLE XIV

1. Any Contracting State may denounce this Convention in its own name
or on behalf of all or any of the countries or territories with respect
to which a notification has been given under Article XIII. The
denunciation shall be made by notification addressed to the
Director-General. Such denunciation shall also constitute denunciation
of the 1952 Convention.

2. Such denunciation shall operate only in respect of the State or of
the country or territory on whose behalf it was made and shall not take
effect until twelve months after the date of receipt of the
notification.

ARTICLE XV

A dispute between two or more Contracting States concerning the
interpretation or application of this Convention, not settled by
negotiation, shall, unless the States concerned agree on some other
method of settlement, be brought before the International Court of
Justice for determination by it.

ARTICLE XVI

1. This Convention shall be established in English, French, and
Spanish. The three t