CAT/C/TUN/CO/3 its plans to implement, during the period covered by the next periodic report, some or all of the rest of the recommendations contained in these concluding observations. Other questions 46. The Committee invites the State party to consider ratifying the other United Nations human rights instruments to which it is not yet party, namely: (a) The Second Optional Protocol to the International Covenant on Civil and Political Rights, aiming at the abolition of the death penalty; (b) The International Convention on the Protection of the Rights of All Migrant Workers and Members of Their Families; (c) The Optional Protocol to the International Covenant on Economic, Social and Cultural Rights; (d) The Optional Protocol to the Convention on the Rights of the Child on a communications procedure. 47. The State party is requested to disseminate widely the reports submitted to the Committee and the Committee’s concluding observations, in the appropriate languages, through official websites, the media and non-governmental organizations. 48. The State party is invited to update its common core document (HRI/CORE/1/Add.46) in accordance with the harmonized guidelines on reporting under the international human rights treaties (see HRI/GEN/2/Rev.6, chap. I). 49. The Committee invites the State party to submit its next periodic report, which will be its fourth, by 13 May 2020. To this end, the Committee invites the State party to agree, by 13 May 2017, to prepare its report under the optional reporting procedure whereby the Committee will transmit to the State party a list of issues prior to reporting. The State party’s response to this list of issues will constitute, under article 19 of the Convention, its next periodic report. GE.16-09569 11