A/65/44 Data collection (21) The Committee requests the State party to provide in its next periodic report detailed statistical data, disaggregated by crime, sentence, ethnicity, age and sex, on the number of persons deprived of liberty; on the complaints relating to torture and ill-treatment allegedly committed by law enforcement officials; on the related investigations, prosecutions and penal or disciplinary sanctions; and on pretrial detainees and convicted prisoners. The Committee also requests information on the compensation and rehabilitation provided to victims. (22) The Committee encourages the State party to ratify the Optional Protocol to the Convention against Torture. (23) The Committee invites the State party to become a party to 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 and the Convention on the Rights of Persons with Disabilities. The Committee invites the State party to ratify the International Convention for the Protection of All Persons from Enforced Disappearance. (24) The State party is encouraged to disseminate widely the reports it has submitted to the Committee and the concluding observations and summary records of the Committee through official websites, to the media and non-governmental organizations. (25) The Committee invites the State party to submit its core document in accordance with the requirements of the common core document in the harmonized guidelines on reporting, as approved by the international human rights treaty bodies (HRI/GEN/2/Rev.5). (26) The Committee requests the State party to provide, within one year, information in response to the Committee’s recommendations contained in paragraphs 8, 13, 14 and 15 above. (27) The State party is invited to submit its next periodic report, which will be the third, by 20 November 2013 at the latest. 55. Spain (1) The Committee against Torture considered the fifth periodic report of Spain (CAT/C/ESP/5) at its 913th and 914th meetings, held on 12 and 13 November 2009 (CAT/C/SR.913 and 914), and adopted the following conclusions and recommendations at its 923rd meeting (CAT/C/SR.923). A. Introduction (2) The Committee welcomes the fifth periodic report of Spain, submitted in accordance with the Committee’s guidelines, and the replies to the list of issues. The Committee also notes with satisfaction the constructive efforts made by the multisectoral delegation to provide information and additional explanations during the discussion of the report. B. Positive aspects (3) The Committee welcomes the ratification of the following international instruments: (a) Optional Protocol to the Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment (4 April 2006); (b) International Convention for the Protection of All Persons from Enforced Disappearance (24 September 2009); (c) Convention on the Rights of Persons with Disabilities, and its Optional Protocol (3 December 2007); 52 GE.10-44721