Towards a treaty banning the production of fissile material for nuclear weapons or other nuclear explosive devices : advancing the objective of stopping fissile material production for nuclear weapons or other nuclear explosive devices in this Treaty on the Non-Proliferation of Nuclear Weapons review cycle : working paper / submitted by Albania, Argentina, Cameroon, Canada, Chile, Ecuador, El Salvador, Iceland, Japan, Kuwait, Montenegro, North Macedonia, Peru, the Philippines, the Republic of Korea, Togo, the United Kingdom of Great Britain and Northern Ireland, Uruguay and the European Union