CAT/C/BGR/CO/4-5 Data collection 31. The Committee regrets the absence of comprehensive and disaggregated data on complaints, investigations, prosecutions and convictions of cases of torture and illtreatment by law enforcement, security, military and prison personnel, or on trafficking and domestic and sexual violence, including means of redress (arts. 2, 11, 12, 13, 14 and 16). The State party should compile statistical data relevant to the monitoring of the implementation of the Convention at the national level, including data on complaints, investigations, prosecutions and convictions of cases of torture and ill-treatment, trafficking and domestic and sexual violence, and on means of redress, including compensation and rehabilitation, provided to the victims. 32. The Committee invites the State party to ratify the core United Nations human rights treaties to which it is not yet a party, namely, the International Convention on the Protection of the Rights of All Migrant Workers and Members of Their Families; the Convention on the Rights of Persons with Disabilities and its Optional Protocol, and the International Convention for the Protection of All Persons from Enforced Disappearance. 33. The State party is requested to disseminate widely the report submitted to the Committee and the Committee’s concluding observations, in appropriate languages, through official websites, the media and non-governmental organizations. 34. The State party is invited to update its common core document (HRI/CORE/1/Add.81), in accordance with the requirements of the common core document contained in the harmonized guidelines on reporting under the international human rights treaties (HRI/GEN.2/Rev.6). 35. The Committee requests the State party to provide, by 25 November 2012, followup information in response to the Committee’s recommendations related to (a) ensuring or strengthening legal safeguards for persons detained, (b) conducting prompt, impartial and effective investigations, and (c) prosecuting suspects and sanctioning perpetrators of torture or ill-treatment, as contained in paragraphs 9, 10 and 28 of the present document. 36. The State party is invited to submit its next periodic report, which will be the sixth periodic report, by 25 November 2015. For that purpose, the Committee invites the State party to accept, by 25 November 2012, to report under its optional reporting procedure, consisting in the transmittal, by the Committee to the State party, of a list of issues prior to the submission of the periodic report. The State party’s response to this list of issues will constitute, under article 19 of the Convention, its next periodic report to the Committee. 13