CRC/C/CRI/CO/4 (a) Legislative reform of article 78 of the Political Constitution, increasing the percentage of gross domestic product (GDP) to be allocated to education to 8 per cent, in 2010; (b) Act No. 8922 on the prohibition of dangerous and unhealthy work for adolescent workers and Act No. 8842 amending the Children and Adolescents Code to protect the rights of adolescent domestic workers, both in 2010; (c) Act No. 8654 on the rights of children and adolescents to be disciplined without physical punishment or degrading treatment, in 2008; (d) Act No. 8590 on Strengthening of measures to combat sexual exploitation of minors, in 2007; and (e) Act No. 8649 on the application of juvenile criminal penalties which reaffirms the rule of law, legality of enforcement, deprivation of liberty as an exceptional measure, proportionality and the best interests of the child, in 2005. 5. The Committee welcomes the following institutional and policy measures: (a) National Policy for Children and Adolescents (PNNA) 2009–2021. (b) National Plan against Commercial Sexual Exploitation (2008–2010); and (c) Second National Plan for the Prevention and Elimination of Child Labour and Protection of Adolescent Workers (2005–2010); 6. The Committee also notes with appreciation the ratification of or accession to: (a) Convention on the Rights of Persons with Disabilities and the Optional Protocol thereto, in October 2008; and (b) Optional Protocol to the Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment, in December 2005. III. Main areas of concern and recommendations A. General measures of implementation (arts. 4, 42 and 44, para. 6 of the Convention) The Committee’s previous recommendations 7. The Committee, while welcoming the State party’s efforts to implement the concluding observations on its third periodic report (CRC/C/15/Add.266) and on its initial reports under the Optional Protocol on the sale of children, child prostitution and child pornography (CRC/C/OPSC/CRI/CO/1) and under the Optional Protocol on the involvement of children in armed conflict (CRC/C/OPAC/CRI/CO/1), notes with regret that some of the recommendations contained therein have not been fully addressed. 8. The Committee urges the State party to take all necessary measures to address those recommendations from the concluding observations on its third periodic report under the Convention and on its initial reports under the two Optional Protocols to the Convention that have not been implemented or insufficiently implemented, particularly those related to coordination, data collection, dissemination of the Convention, discrimination against indigenous children and children belonging to other minorities, freedom of association, child abuse and sexual exploitation of children. 2