CRC/C/THA/CO/2 page 22 further recommends that the State party conduct a demographic survey of the hill-tribe population and of all other minority and indigenous groups, disaggregating data by sex, age and province. 9. Optional Protocols to the Convention on the Rights of the Child 80. The Committee welcomes the State party’s accession to the Optional Protocol to the Convention on the sale of children, child prostitution and child pornography in January 2006. It notes the Cabinet’s recent decision to become party to the Optional Protocol on the involvement of children in armed conflict and recommends that the State party ratify that Optional Protocol. 10. Follow-up and dissemination Follow-up 81. The Committee recommends the State party to take all appropriate measures to ensure full implementation of the present recommendations, inter alia, by transmitting them to the members of the Cabinet, the Parliament, to the relevant ministries and to provincial and district authorities, when applicable, for appropriate consideration and further action. Dissemination 82. The Committee further recommends that the second periodic report and written replies submitted by the State party and related recommendations (concluding observations) it adopted be made widely available in the languages of the country, including (but not exclusively) through the Internet, to the public at large, civil society organizations, youth groups, professional groups and children in order to generate debate and awareness of the Convention, its implementation and monitoring. 11. Next report 83. In light of the recommendation on reporting periodicity adopted by the Committee and described in the report of its twenty-ninth session (CRC/C/114), the Committee underlines the importance of a reporting practice that is in full compliance with the provisions of article 44 of the Convention. An important aspect of States parties’ responsibilities to children under the Convention is ensuring that the Committee on the Rights of the Child has regular opportunities to examine the progress made in the Convention’s implementation. In this regard, regular and timely reporting by States parties is crucial. The Committee invites the State party to submit its third and fourth reports in one consolidated report by 25 April 2009, the due date of the fourth report. This consolidated report should not exceed 120 pages (see CRC/C/148). The Committee expects the State party to report thereafter every five years, as foreseen by the Convention. -----