Article 20

Any dispute between two or more States Parties concerning the interpretation or application of this Convention which cannot be settled through negotiation within a reasonable time shall, at the request of one of them, be submitted to arbitration. If, within six months from the date of the request for arbitration, the parties are unable to agree on the organization of the arbitration, any one of those parties may refer the dispute to the International Court of Justice, by application, in conformity with the Statute of the Court.

Each State may at the time of signature, ratification, acceptance or approval of this Convention or accession thereto declare that it does not consider itself bound by paragraph 1. The other States Parties shall not be bound by paragraph 1 with respect to any State Party which has made such a reservation.

Any State which has made a reservation in accordance with paragraph 2 may at any time withdraw that reservation by notification to the Secretary-General of the United Nations.