< Decisions on Bureau Up one level Decision I/5: Establishment of Open-ended Working Group > Decisions on Open-ended Working Group Decision I/5: Establishment of Open-ended Working Group Decision I/6: Meetings of Open-ended Working Group Decision I/7: Participation by non-Parties Decision II/15: Extension of the mandate of the Open-ended Working Group of the Parties Decision II/18: Meetings of the Open-ended Working Group Decision III/11: Open-ended Working Group of the Parties Decision VI/15: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision VII/36: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision VIII/27: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision IX/36: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision X/5: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XI/10: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XII/5: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XIII/28: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XIV/42: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XV/55: Co-chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XVI/41: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XVII/46: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XVIII/3: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XIX/4: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XX/23: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XXI/31: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XXII/25: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XXIII/20: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XXIV/23: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XXV/19: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XXVI/20: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XXVII/14: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XXVIII/15: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XXIX/23: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XXX/19: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XXXI/15: Co-chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XXXII/10: Co-chairs of the Open ended Working Group of the Parties to the Montreal Protocol Decision XXXIII/12: Co-Chairs of the Open‑ended Working Group of the Parties to the Montreal Protocol Decision XXXIV/21: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XXXV/24: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol Decision XXXVI/20: Co-Chairs of the Open-ended Working Group of the Parties to the Montreal Protocol on Substances that Deplete the Ozone Layer < Decisions on Bureau Up one level Decision I/5: Establishment of Open-ended Working Group >