to Economic and Social Council resolution 1997/30 of 21 July 1997, the United Nations Guidelines for the Prevention of Juvenile Delinquency (The Riyadh Guidelines) adopted by the General Assembly in resolution 45/112 of 14 December 1990, the United Nations Standard Minimum Rules for the Administration of Juvenile Justice (The Beijing Rules) adopted by the Assembly in resolution 40/33 of 29 November 1985 and the United Nations Rules for the Protection of Juveniles Deprived of their Liberty adopted by the Assembly in resolution 45/113 of 14 December 1990, taking into account the best interest of the child; V. PREVENTION AND ERADICATION OF THE SALE OF CHILDREN, CHILD PROSTITUTION AND CHILD PORNOGRAPHY 37. Welcomes the report of the Special Rapporteur on the sale of children, child prostitution and child pornography (E/CN.4/2000/73 and Add.1-3); 38. Calls upon States: (a) To take: (i) All appropriate national, bilateral and multilateral measures to ensure the effective application of relevant international standards concerning the prevention and the combat of trafficking and sale of children, child prostitution and child pornography and encourages all actors of civil society and the media to cooperate in efforts to this end; (ii) Into account the particular problems posed by the use of the Internet in this regard and to protect children from the practices referred to in subparagraph (i) above, while ensuring that, in the treatment by the criminal justice system of children who are victims, the best interest of the child shall be a primary consideration, and taking into account the concrete measures outlined in the Vienna Declaration and Programme of Action and in the programmes of action adopted by the Commission in 1992, 1993 and 1996; (b) And, in this regard, to enact, review and revise, where appropriate, relevant laws, policies, programmes and practices; (c) And, in this context, to consider the positive input by other international initiatives outside the United Nations system and to encourage regional and interregional efforts with the objective of identifying best practices and issues requiring particularly urgent action, such as the Declaration and Agenda for Action of the World Congress against Commercial Sexual Exploitation of Children, held in Stockholm in August 1996 (A/51/385, annex), and the Declaration of the Vienna International Conference on Combating Child Pornography on the Internet, held in Vienna from 29 September to 1 October 1999; (d) To criminalize and effectively penalize all forms of sexual exploitation and sexual abuse of children, including within the family or for commercial purposes, child pornography and child prostitution, including child sex tourism, while ensuring that, in the treatment by the criminal justice system of children who are victims, the best interest of the child shall be a primary consideration, and to take effective measures to ensure prosecution of offenders, whether local or foreign, by the competent national authorities, either in the offender’s country of origin or in the country of destination, in accordance with due process of law; 39. Requests States to increase cooperation and concerted action, at the national, regional and international levels, including in the context of the United Nations, by all relevant authorities and institutions, in particular law enforcement authorities, in order to adopt and implement effective measures, including the sharing of relevant data, for the prevention and eradication of child sex tourism, the sale of children and of their sexual exploitation and abuse, and to prevent and dismantle networks trafficking in children; 40. Stresses the need to combat the existence of a market that encourages such criminal practices against children, including through preventive and enforcement measures targeting customers or individuals who sexually exploit or sexually abuse children; 41. Encourages Governments to facilitate the active participation of child victims of sexual exploitation or abuse in the development and implementation of strategies to protect children from sexual exploitation and abuse; page 10