A/AC.291/L.15 Chapter IX Final provisions Article 59. Implementation of the Convention [agreed ad referendum] 1. Each State Party shall take the necessary measures, including legislative and administrative measures, in accordance with fundamental principles of its domestic law, to ensure the implementation of its obligations under this Convention. 2. Each State Party may adopt more strict or severe measures than those provided for by this Convention for preventing and combating the offences established in accordance with this Convention. Article 60. Effects of the Convention 1. If two or more States Parties have already concluded an agreement or treaty on the matters dealt with in this Convention or have otherwise established their relations on such matters, or should they in future do so, they shall also be entitled to apply that agreement or treaty or to regulate those relations accordingly. 2. Nothing in this Convention shall affect other rights, restrictions, obligations and responsibilities of a State Party under international law. [agreed ad referendum] Article 61. Relation with protocols [agreed ad referendum] 1. This Convention may be supplemented by one or more protocols. 2. In order to become a Party to a protocol, a State or a regional economic integration organization must also be a Party to this Convention. 3. A State Party to this Convention is not bound by a protocol unless it becomes a Party to the protocol in accordance with the provisions thereof. 4. Any protocol to this Convention shall be interpreted together with this Convention, taking into account the purpose of that protocol. Article 62. Adoption of supplementary protocols 1. At least 60 States Parties shall be required before any supplementary protocol is considered for adoption by the Conference of the States Parties. The Conference shall make every effort to achieve consensus on any supplementary protocol. If all efforts at consensus have been exhausted and no agreement has been reached, the supplementary protocol shall, as a last resort, require for its adoption at least a two-thirds majority vote of the States Parties present and voting at the meeting of the Conference. 2. Regional economic integration organizations, in matters within their competence, shall exercise their right to vote under this article with a number of votes equal to the number of their member States that are Parties to this Convention. Such organizations shall not exercise their right to vote if their member States exercise theirs and vice versa. Article 63. Settlement of disputes [agreed ad referendum] 1. States Parties shall endeavour to settle disputes concerning the interpretation or application of this Convention through negotiation or any other peaceful means of their own choice. 2. Any dispute between two or more States Parties concerning the interpretation or application of this Convention that cannot be settled through negotiation or other peaceful means within a reasonable time shall, at the request of one of those States V.24-14137 39/41