[To achieve these goals, we will implement the following strategies and actions:] Take necessary action, at all levels, as appropriate, to criminalize and penalize effectively, in conformity with all relevant and applicable international instruments, all forms of sexual exploitation and sexual abuse of children, including within the family or for commercial purposes, child prostitution, paedophilia, child pornography, child sex tourism, trafficking, the sale of children and their organs, engagement in forced child labour and any other form of exploitation, while ensuring that, in the treatment by the criminal justice system of children who are victims, the best interests of the child shall be a primary consideration.