CAT/C/THA/CO/1 Data collection 28. 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 and prison personnel, as well as on deaths in custody, extrajudicial executions, enforced disappearances, gender-based violence and trafficking. 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, deaths in custody, extrajudicial executions, enforced disappearances, gender-based violence and trafficking, as well as on the means of redress, including compensation and rehabilitation, provided to the victims. Such data should be submitted to the Committee when compiled. Other issues 29. The Committee recommends that the State party make the declarations provided for in articles 21 and 22 of the Convention in order to recognize the competence of the Committee to receive and consider communications. 30. The State party is requested to widely disseminate the report submitted to the Committee and the present concluding observations, in appropriate languages, through official websites, the media and non-governmental organizations. 31. The Committee requests the State party to provide, by 23 May 2015, follow-up information in response to the Committee’s recommendations relating to: (a) ensuring or strengthening legal safeguards for detained persons; (b) conducting prompt, impartial and effective investigations of allegations of torture by law enforcement personnel; and (c) prosecuting suspects and sanctioning perpetrators of torture or ill-treatment, as contained in paragraphs 12, 13, 15 and 18 of the present concluding observations. 32. The Committee invites the State party to submit its next report, which will be its second periodic report, by 23 May 2018. The Committee invites the State party to agree, by 23 May 2015, to follow the optional reporting procedure in preparing that report. Under this procedure, the Committee will transmit to the State party of a list of issues prior to the submission of the report and the State party’s replies to the list of issues will constitute its next periodic report under article 19 of the Convention. 13