A/HRC/RES/30/7 account the age, gender, social circumstances and development needs of such children, and calls upon States parties to the Convention on the Rights of the Child to abide strictly by its principles and provisions; 20. Welcomes the United Nations Model Strategies and Practical Measures on the Elimination of Violence against Children in the Field of Crime Prevention and Criminal Justice,3 and urges States to consider applying them, as appropriate, in the design, implementation, monitoring and evaluation of laws, policies, programmes, budgets and mechanisms aimed at eliminating violence against children in the field of crime prevention and criminal justice; 21. Also welcomes the Global Programme on Violence against Children in the Field of Crime Prevention and Criminal Justice recently developed by the United Nations Office on Drugs and Crime and United Nations Children’s Fund, which is intended to promote and assist in the effective implementation of the Model Strategies and Practical Measures, and encourages Member States and other stakeholders to support and to benefit from this programme; 22. Encourages States that have not yet integrated children’s issues into their overall rule of law efforts to do so, and to develop and implement a comprehensive juvenile justice policy to prevent and address juvenile delinquency as well as with a view to promoting, inter alia, the use of alternative measures, such as diversion and restorative justice, and ensuring compliance with the principle that the deprivation of a child’s liberty should only be used as a measure of last resort, for the shortest appropriate period of time, and that such decisions must be subject to periodic review of their continuing necessity and appropriateness, as well as to avoid, wherever possible, the use of pretrial detention for children; 23. Encourages States not to set the minimum age of criminal responsibility at too low an age, bearing in mind the emotional, mental and intellectual maturity of the child, and in this respect refers to the recommendation of the Committee on the Rights of the Child to increase their lower minimum age of criminal responsibility, without exception, to 12 years, as the absolute minimum age, and to continue to increase the lower limit to a higher age; 24. Urges States to ensure that, under their legislation and practice, neither capital punishment nor life imprisonment are imposed for offences committed by persons under 18 years of age; 25. Calls upon States to consider establishing or strengthening existing independent and child-friendly national monitoring and complaints mechanisms so as to contribute to safeguarding the rights of children deprived of their liberty; 26. Welcomes the invitation made by the General Assembly to the SecretaryGeneral to commission an in-depth global study on children deprived of liberty, and to submit the conclusions to the Assembly at its seventy-second session;4 27. Invites States to provide for human rights training on the administration of justice and juvenile justice, including anti-racist, multicultural, gender-sensitive and child rights training, for all judges, lawyers, prosecutors, social workers, immigration, correction and police officers, and other professionals working in the administration of justice; 3 4 General Assembly resolution 69/194, annex. General Assembly resolution 69/157, para. 52 (d). 5