The United Nations Security Council Resolution 2235 is on establishing a Joint Investigative Mechanism to identify individuals, entities, groups, or governments responsible for use of chemical weapons in the Syrian civil war.

[1] The Security Council, Recalling the Protocol for the Prohibition of the Use in War of Asphyxiating, Poisonous or other Gases, and of Bacteriological Methods of Warfare, and the Convention on the Prohibition of the Development, Production, Stockpiling and Use of Chemical Weapons and on their Destruction (CWC), and the Council’s resolutions 1540 (2004), 2118 (2013) and 2209 (2015), Recalling that the Syrian Arab Republic acceded to the CWC, noting that the use of any toxic chemical, such as chlorine, as a chemical weapon in the Syrian Arab Republic is a violation of resolution 2118, and further noting that any such use by the Syrian Arab Republic would constitute a violation of the CWC, Condemning in the strongest terms any use of any toxic chemical as a weapon in the Syrian Arab Republic and noting with outrage that civilians continue to be killed and injured by toxic chemicals as weapons in the Syrian Arab Republic, Reaffirming that the use of chemical weapons constitutes a serious violation of international law, and stressing again that those individuals responsible for any use of chemical weapons must be held accountable, Recalling its request to the Director-General of the Organisation for the Prohibition of Chemical Weapons (OPCW) and the Secretary-General to report in a coordinated manner on non-compliance with resolution 2118, Noting the letter of the Secretary-General to the President of the Security Council of 25 February 2015 (S/2015/138), transmitting the note of the Director-General of the OPCW, discussing the decision of the OPCW Executive Council of 4 February 2015 that expressed serious concern regarding the findings of the Fact-Finding Mission (FFM) made with a high degree of confidence that chlorine has been used repeatedly and systematically as a weapon in the Syrian Arab Republic, Noting that toxic chemicals as weapons have allegedly been used subsequent to the adoption on 6 March of Security Council resolution 2209 (2015), Recognizing that the OPCW FFM is not mandated to reach conclusions about attributing responsibility for chemical weapons use, Recalling that, in its resolution 2118, it decided that the Syrian Arab Republic and all parties in Syria shall cooperate fully with the OPCW and the United Nations,