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