(d) Legislative experiences and practices and measures to prevent, combat and eradicate the illicit manufacturing of and trafficking in firearms, their parts and components and ammunition. 3. States Parties shall provide to or share with each other, as appropriate, relevant scientific and technological information useful to law enforcement authorities in order to enhance each other’s abilities to prevent, detect and investigate the illicit manufacturing of and trafficking in firearms, their parts and components and ammunition and to prosecute the persons involved in those illicit activities. 4. States Parties shall cooperate in the tracing of firearms, their parts and components and ammunition that may have been illicitly manufactured or trafficked. Such cooperation shall include the provision of prompt responses to requests for assistance in tracing such firearms, their parts and components and ammunition, within available means. 5. Subject to the basic concepts of its legal system or any international agreements, each State Party shall guarantee the confidentiality of and comply with any restrictions on the use of information that it receives from another State Party pursuant to this article, including proprietary information pertaining to commercial transactions, if requested to do so by the State Party providing the information. If such confidentiality cannot be maintained, the State Party that provided the information shall be notified prior to its disclosure. Article 13. Cooperation 1. States Parties shall cooperate at the bilateral, regional and international levels to prevent, combat and eradicate the illicit manufacturing of and trafficking in firearms, their parts and components and ammunition. 2. Without prejudice to article 18, paragraph 13, of the Convention, each State Party shall identify a national body or a single point of contact to act as liaison between it and other States Parties on matters relating to this Protocol. 3. States Parties shall seek the support and cooperation of manufacturers, dealers, importers, exporters, brokers and commercial carriers of firearms, their parts and components and ammunition to prevent and detect the illicit activities referred to in paragraph 1 of this article. 78