UN Security Council
1988

4. Decides to consider immediately, taking into account the investigations of the Secretary-General, appropriate and effective measures in accordance with the Charter of the United Nations, should there be any future use of chemical weapons in violation of international law, wherever and by whomever committed. Adopted unanimously at the 2825th meeting. 50 Official Records of the Security Council, Forty-third Year, Supplement for July, August and September 1988, documents S/20060 and Add.1, S/ 20063 and Add.1 and $/20134.