CAT/C/DZA/CO/3 page 9 20. The Committee strongly encourages the State party to collaborate with the United Nations Human Rights Council special procedures and grant permission for a visit by the Special Rapporteur on torture and other cruel, inhuman or degrading treatment or punishment, the Special Rapporteur on extrajudicial, summary or arbitrary executions, the Working Group on Enforced or Involuntary Disappearances and the Special Rapporteur on the promotion and protection of human rights and fundamental freedoms while countering terrorism, while fully respecting the mandates of the fact-finding missions sent under the United Nations special procedures. 21. The Committee calls on the State party to ratify the principal United Nations human rights agreements to which it is not yet a party, including the International Convention for the Protection of All Persons from Enforced Disappearance, the Convention on the Rights of Persons with Disabilities, the Optional Protocol to the Convention on the Rights of the Child on the involvement of children in armed conflict, the Second Optional Protocol to the International Covenant on Civil and Political Rights, aiming at the abolition of the death penalty, and the Optional Protocol to the Convention on the Elimination of All Forms of Discrimination against Women. 22. The State party is invited to ratify the Optional Protocol to the Convention as soon as possible and to establish a national mechanism responsible for conducting periodic visits in all places of detention in order to prevent torture or any other cruel, inhuman or degrading treatment. 23. The State party is encouraged to ratify the Rome Statute of the International Criminal Court. 24. The State party is urged to widely disseminate the reports submitted by Algeria to the Committee, as well as the Committee’s conclusions and recommendations, in the national languages through official websites, the media and non-governmental organizations. The State party is also encouraged to distribute its reports to national human rights non-governmental organizations before submitting them to the Committee. 25. The Committee invites the State party to submit its core document in accordance with the requirements concerning the common core document set out in the harmonized reporting guidelines adopted by international human rights treaty bodies and contained in document HRI/GEN/2/Rev.4. 26. The Committee requests the State party to provide it, within a year, with information on action it has taken to follow up the recommendations of the Committee included in paragraphs 4, 6, 12 and 15 above. 27. The State party should submit its fourth periodic report to the Committee no later than 20 June 2012. -----