Rights of the child A/RES/70/137 16. Urges all States that have not yet done so to consider ratifying both the Worst Forms of Child Labour Convention, 1999 (No. 182), 31 and the Minimum Age Convention, 1973 (No. 138), 32 of the International Labour Organization; 17. Recognizes that poverty and social exclusion, labour mobility, discrimination and lack of adequate social protection and educational opportunity as well as lack of birth registration all influence child labour; Prevention and elimination of violence against children 18. Reaffirms paragraphs 34 to 39 of its resolution 68/147 and paragraphs 47 to 62 of its resolution 62/141 of 18 December 2007 on the elimination of violence against children, condemns all forms of violence against children, and urges all States to implement the measures set out in paragraph 34 of its resolution 68/147 and paragraph 3 of its resolution 69/158 and: (a) To take effective and appropriate legislative and other measures to prohibit, prevent and eliminate all forms of violence against children in all settings, including harmful practices in all situations, and to strengthen international, national and local cooperation and mutual assistance in this regard; (b) To protect children from all forms of violence, including by exercis ing due diligence, investigating, prosecuting and punishing the perpetrators of violence against all children and ending impunity, to provide protection as well as universal access to comprehensive social, physical and mental health and legal services and counselling for all victims and survivors, to ensure their full recovery and reintegration into society, and to address the structural and underlying causes of violence against all children through enhanced prevention measures, research and strengthened coordination and monitoring and evaluation; (c) To address the gender dimension of all forms of violence against children and incorporate a gender perspective in all policies adopted and actions taken to protect children against all forms of violence and ha rmful practices, including female genital mutilation, acknowledging that girls and boys face varying risks from different forms of violence at different ages and in different situations; 19. Also reaffirms that violence against children is never justifiable and that it is the duty of States to protect children, including those in conflict with the law, from all forms of violence and human rights violations and to exercise due diligence to prohibit, prevent and investigate acts of violence against children, eliminate impunity and provide assistance to the victims, including preventing revictimization; 20. Recalls that 2016 will mark the tenth anniversary of the submission of the United Nations study on violence against children to the General Assembly, 33 and welcomes the efforts of the Special Representative of the Secretary -General on Violence against Children in mainstreaming the study recommendations in the international, regional and national agenda; 21. Strongly condemns the abduction of children, and calls upon all States to take all appropriate measures to secure their unconditional release, rehabilitation _______________ 31 Ibid., vol. 2133, No. 37245. Ibid., vol. 1015, No. 14862. 33 See A/61/299. 32 7/16