Mongolia participated in the Conference on the Protection of Civilians in Urban Warfare in October 2019 held in Vienna, but did not issue any statement on the subject.[1]
[1] INEW (2019). ‘Vienna Conference Marks Turning Point as States Support Negotiation of an International Political Declaration on Explosive Weapons’. https://dev.inew.org/vienna-conference-marks-turning-point-as-states-support-negotiation-of-an-international-political-declaration-on-explosive-weapons/.