CAT/C/AZE/CO/4 imprisonment and alleged torture of human rights defenders, and respect of fundamental legal safeguards (see paras. 9, 11 and 13 above). In that context, the State party is invited to inform the Committee about its plans for implementing, within the coming reporting period, some or all of the remaining recommendations in the concluding observations. Other issues 41. The Committee invites the State party to consider ratifying the core United Nations human rights treaties to which it is not yet party, namely the International Convention for the Protection of All Persons from Enforced Disappearance, the Optional Protocol to the Convention on the Rights of the Child on a communications procedure and the Optional Protocol to the International Covenant on Economic, Social and Cultural Rights. 42. The State party is requested to disseminate widely the report submitted to the Committee and the present concluding observations, in appropriate languages, through official websites, the media and non-governmental organizations. 43. The State party is invited to submit its next periodic report, which will be its fifth, by 9 December 2019. To that end, and considering that the State party has accepted to report to the Committee under the simplified reporting procedure, the Committee will, in due course, transmit to the State party a list of issues prior to reporting. 9