Note verbale dated 20 June 2017 from the Permanent Mission of Cuba to the United Nations addressed to the Secretary-General of the United Nations conference to negotiate a legally binding instrument to prohibit nuclear weapons, leading towards their total elimination United Nations Conference to Negotiate a Legally Binding Instrument to Prohibit Nuclear Weapons, Leading Towards their Total Elimination (2017) Cuba Correspondence 2017-02-15 A/CONF.229/2017/6 EN
