A/RES/55/255 Article 15 Brokers and brokering 1. With a view to preventing and combating illicit manufacturing of and trafficking in firearms, their parts and components and ammunition, States Parties that have not yet done so shall consider establishing a system for regulating the activities of those who engage in brokering. Such a system could include one or more measures such as: (a) Requiring registration of brokers operating within their territory; (b) Requiring licensing or authorization of brokering; or (c) Requiring disclosure on import and export licences or authorizations, or accompanying documents, of the names and locations of brokers involved in the transaction. 2. States Parties that have established a system of authorization regarding brokering as set forth in paragraph 1 of this article are encouraged to include information on brokers and brokering in their exchanges of information under article 12 of this Protocol and to retain records regarding brokers and brokering in accordance with article 7 of this Protocol. III. Final provisions Article 16 Settlement of disputes l. States Parties shall endeavour to settle disputes concerning the interpretation or application of this Protocol through negotiation. 2. Any dispute between two or more States Parties concerning the interpretation or application of this Protocol that cannot be settled through negotiation within a reasonable time shall, at the request of one of those States Parties, be submitted to arbitration. If, six months after the date of the request for arbitration, those States Parties are unable to agree on the organization of the arbitration, any one of those States Parties may refer the dispute to the International Court of Justice by request in accordance with the Statute of the Court. 3. Each State Party may, at the time of signature, ratification, acceptance or approval of or accession to this Protocol, declare that it does not consider itself bound by paragraph 2 of this article. The other States Parties shall not be bound by paragraph 2 of this article with respect to any State Party that has made such a reservation. 4. Any State Party that has made a reservation in accordance with paragraph 3 of this article may at any time withdraw that reservation by notification to the Secretary-General of the United Nations. Article 17 Signature, ratification, acceptance, approval and accession 1. This Protocol shall be open to all States for signature at United Nations Headquarters in New York from the thirtieth day after its adoption by the General Assembly until 12 December 2002. 9