Id Year Reporting type Decision Issue Request by parties to TEAP Report to be produced
0 2026 Progress updates IV/13 Technical progress update by TEAP and its TOCs Decision IV/13 – Report annually to OEWG on technical progress in reducing the use and emissions of controlled substances and assess the use of alternatives, particularly their direct and indirect global-warming effects 2026 progress report
1 2026 Progress updates XI/17 Technical progress update by TEAP and its TOCs Decision XI/17 – Report on any important new developments on an annual basis 2026 progress report
2 2026 Progress updates XXXI/8 Procedures relevant to nominations to the TEAP and its TOCs. Decision XXXI/8 – Provide, as part of its annual progress report, a summary outlining the procedures that the Panel and its technical options committees have undertaken to ensure adherence to the Panel’s terms of reference through clear and transparent procedures, including full consultations with the focal points, in line with the terms of reference, regarding: (a) nomination processes, taking into account the matrix of needed expertise and already available expertise; (b) proposed nominations and appointment decisions; (c) termination of appointments; and (d) replacements 2026 progress report
3 2026 Thematic reports IX/6 Critical-use nominations Decision IX/6 – Review nominations for critical-use exemption of methyl bromide and make recommendations based on the criteria established in the decision (and other relevant decisions) 2026 progress report (only upon submission of nominations)
4 2026 Thematic reports IV/25 Essential-use nominations Decision IV/25 – Review any submitted nominations and make recommendations in accordance with the criteria established in the decision 2026 progress report (only upon submission of nominations)
5 2026 Thematic reports XXXI/5 Laboratory and analytical uses Decision XXXI/5 – Report in the TEAP quadrennial report on any progress made by parties in reducing their production and consumption of ozone depleting substances for laboratory and analytical uses, on any new alternatives to those uses, and on laboratory standards that can be performed without such substances, on the understanding that, should new compelling information become available, including opportunities for significant reductions in production and consumption, that information should be reported in its annual progress report 2026 quadrennial assessment report
6 2026 Thematic reports XXXI/6 Process agents Decision XXXI/6 – Report in the TEAP quadrennial reports on any progress made by parties in reducing their use and emissions of controlled substances as process agents and on any new alternatives to such uses, including new production processes and emissions-reduction techniques, on the understanding that should new compelling information become available, that information should be reported in its annual progress report 2026 quadrennial assessment report
7 2026 Thematic reports XXX/15 Process agents; destruction technologies; laboratory and analytical uses; n-propyl bromide; possible new substances Review only if the specific conditions set out in decision XXX/15 are met
8 2026 Thematic reports XXXVI/2 Life-cycle refrigerant management Decision XXXVI/2, paragraph 1– paragraph 1– Include updated relevant information on life-cycle refrigerant management in the TEAP 2025 and subsequent progress reports, including the 2026 quadrennial assessment report, taking into account discussions at the 36th MOP 2026 progress report
9 2026 Thematic reports XXXVI/6 Metered-dose inhalers (MDI’s) with low-global-warming-potential (GWP) propellants Decision XXXVI/6, paragraph 3 – Continue to provide in the TEAP annual progress reports updated information on low-GWP metered-dose inhaler propellants and to complement the TEAP 2026 quadrennial assessment report with timely information, including on the availability, technical feasibility, economic viability, safety and market penetration of those propellants in parties operating under paragraph 1 of Article 5 of the Montreal Protocol on Substances that Deplete the Ozone Layer and in parties not so doing 2026 progress report
10 2026 Thematic reports XXXVII/2 Emissions of the HFC-23 Decision XXXVII/2, paragraph 1– TEAP and SAP to provide an update on emissions of HFC-23 to the 38th MOP, taking into account the information submitted by parties in response to decision XXXVI/3 and pursuant to paragraph 2 of this decision and including the following: (a) Additional analysis of the discrepancy between reported emissions and those derived from atmospheric measurements, including the methodologies applied; (b) A description of the information and data sources used, identifying any gaps or limitations; (c) Additional information on methodologies adopted by parties for estimating and reporting Report on HFC-23 emissions
11 2026 Thematic reports XXXVII/4 Halons 1301 and other fire suppressors Decision XXXVII/4, paragraph 1– The Ozone Secretariat to liaise with the secretariat of the International Civil Aviation Organization (ICAO) on the matter of fire suppression agents controlled under the Montreal Protocol on Substances that Deplete the Ozone Layer and facilitate the exchange of information between the TEAP, through its Fire Suppression Technical Options Committee, and the relevant ICAO technical committees and working groups in order to allow the Panel to: (a) Better assess the future use of and need for halons in civil aviation, making use of, among other things, available data on the locations of the maintenance, repair and overhaul operations authorized to service halons, data on future fleet evolution and estimates regarding aircraft in operation with different types of halon 2026 progress report
12 2026 Thematic reports XXXV/20 Options for the organization of the TEAP and its technical options committees (TOCs) Decision XXXV/20, To provide in the TEAP progress report prepared ahead of the 47th OEWG meeting, options on the organization of the Panel and its technical options committees, considering the Panel’s terms of reference established in decision XXIV/8, and informed by consultation with the technical options committees co-chairs and members, and by their experiences with operating, on a trial basis, with new ways of organizing their work 2026 progress report (request at MOP37 for additional information by the TEAP co-chairs)
13 2026 Periodic assessments XXXVII/6 Replenishment study for 2027–2029 Decision XXXVII/6, Prepare a report for submission to the 38th MOP, and to submit it through the 47th OEWG meeting to enable the 38th MOP to adopt a decision on the appropriate level of the 2027–2029 replenishment of the Multilateral Fund for the Implementation of the Montreal Protocol. (The report is to include responses to the requests set out in paragraphs 2-8 of the decision) Replenishment task force report (2027–2029)
14 2026 Periodic assessments XXXVII/6 Replenishment study for 2027–2029 Decision XXXVII/6, Prepare a report for submission to the 38th MOP, and to submit it through the 47th OEWG meeting to enable the 38th MOP to adopt a decision on the appropriate level of the 2027–2029 replenishment of the Multilateral Fund for the Implementation of the Montreal Protocol. (The report is to include responses to the requests set out in paragraphs 2-8 of the decision) Supplement to the replenishment task force report
15 2026 Periodic assessments XXXV/3 Quadrennial assessment Decision XXXV/3 - Prepare the TEAP 2026 quadrennial assessment (Paragraphs 1, 2, 3 and 7 of the decision) TEAP and TOCs 2026 quadrennial assessment reports (6)
16 2026 Periodic assessments XXIX/12 HFCs not listed in Annex F of the Montreal Protocol Decision XXIX/12 – Provide in the quadrennial reports of the assessment panels to be presented to the 35th MOP, in 2023, and every four years thereafter, information on the consumption and production of HFCs not listed in Annex F of the Protocol that have global warming potential no less than the lowest global warming potential of the HFCs listed in Annex F 2026 quadrennial assessment report
17 2026 Periodic assessments XXX/2 HCFC availability Decision XXX/2 – Provide in its quadrennial reports to be presented to the 35th MOP, in 2023, and to the 39th MOP, in 2027, information on the availability of Annex C, group I, substances, including amounts available from recovery, recycling and reclamation, and best available information on country-level and total known stocks, as well as the availability of alternative options for the applications described in Article 2F, paragraphs 6 (a) and 6 (b) 2026 quadrennial assessment report
18 2026 Periodic assessments XXXVI/2 Life-cycle refrigerant management Decision XXXVI/2, paragraph 1– Include updated relevant information on life-cycle refrigerant management in the TEAP 2025 and subsequent progress reports, including the 2026 quadrennial assessment report, taking into account discussions at 36th MOP 2026 quadrennial assessment report
19 2026 Periodic assessments XXXVI/4 Additional information on very short-lived substances (VSLS) Decision XXXVI/4, paragraph 1– TEAP and SAP to include the information requested in sub-paragraphs (a)-(d), in their 2026 assessment report, for consideration by OEWG at its 49th meeting. 2026 quadrennial assessment report
20 2026 Periodic assessments XXXVI/6 Metered-dose inhalers (MDI’s) with low-global-warming-potential (GWP) propellants Decision XXXVI/6 , paragraph 3 –Continue to provide in the TEAP annual progress reports updated information on low-GWP metered-dose inhaler propellants and to complement the TEAP 2026 quadrennial assessment report with timely information, including on the availability, technical feasibility, economic viability, safety and market penetration of those propellants in parties operating under paragraph 1 of Article 5 of the Montreal Protocol on Substances that Deplete the Ozone Layer and in parties not so doing 2026 quadrennial assessment report
21 2026 Periodic assessments XXXVI/10 Update to the report of the TEAP prepared pursuant to decision XXVIII/2, paragraph 5 Decision XXXVI/10 – Provide in the TEAP 2026 quadrennial assessment report an update by sector and subsector on low- and lower-GWP alternatives to HFCs for use in Article 5, group 2 parties to prepare for the hydrofluorocarbon freeze, including the following: (a) Challenges and barriers in terms of availability, accessibility and adoption; (b) Standards for alternative refrigerants and for equipment, taking into consideration the capacity of equipment in different countries; (c) Market structure, including supply chain issues; (d) Options for addressing the challenges and barriers to the adoption of alternatives identified in subparagraph (a) above; (e) Information on the cost of adoption of alternatives, in the context of the information provided under subparagraphs (a) to (d) above 2026 quadrennial assessment report
22 2027 Progress updates IV/13 Technical progress update by TEAP and its TOCs Decision IV/13 – Report annually to OEWG on technical progress in reducing the use and emissions of controlled substances and assess the use of alternatives, particularly their direct and indirect global-warming effects 2027 progress report
23 2027 Progress updates XI/17 Technical progress update by TEAP and its TOCs Decision XI/17 – Report on any important new developments on an annual basis 2027 progress report
24 2027 Progress updates XXXI/8 Procedures relevant to nominations to the TEAP and its TOCs. Decision XXXI/8 – Provide, as part of its annual progress report, a summary outlining the procedures that the Panel and its technical options committees have undertaken to ensure adherence to the Panel’s terms of reference through clear and transparent procedures, including full consultations with the focal points, in line with the terms of reference, regarding: (a) nomination processes, taking into account the matrix of needed expertise and already available expertise; (b) proposed nominations and appointment decisions; (c) termination of appointments; and (d) replacements 2027 progress report
25 2027 Thematic reports IX/6 Critical-use nominations Decision IX/6 – Review nominations for critical-use exemption of methyl bromide and make recommendations based on the criteria established in the decision (and other relevant decisions) 2027 progress report (only upon submission of nominations)
26 2027 Thematic reports IV/25 Essential-use nominations Decision IV/25 – Review any submitted nominations and make recommendations in accordance with the criteria established in the decision 2027 progress report (only upon submission of nominations)
27 2027 Thematic reports XXXI/5 Laboratory and analytical uses Decision XXXI/5 – Report in the TEAP quadrennial report on any progress made by parties in reducing their production and consumption of ozone depleting substances for laboratory and analytical uses, on any new alternatives to those uses, and on laboratory standards that can be performed without such substances, on the understanding that, should new compelling information become available, including opportunities for significant reductions in production and consumption, that information should be reported in its annual progress report 2027 progress report (only if new compelling information becomes available)
28 2027 Thematic reports XXXI/6 Process agents Decision XXXI/6 – Report in the TEAP quadrennial reports on any progress made by parties in reducing their use and emissions of controlled substances as process agents and on any new alternatives to such uses, including new production processes and emissions-reduction techniques, on the understanding that should new compelling information become available, that information should be reported in its annual progress report 2027 progress report (only if new compelling information becomes available)
29 2027 Thematic reports XXX/15 Process agents; destruction technologies; laboratory and analytical uses; n-propyl bromide; possible new substances Review only if the specific conditions set out in decision XXX/15 are met
30 2027 Thematic reports XXXVI/2 Life-cycle refrigerant management Decision XXXVI/2,, paragraph 1– paragraph 1– Include updated relevant information on life-cycle refrigerant management in the TEAP 2025 and subsequent progress reports, including the 2026 quadrennial assessment report, taking into account discussions at the 36th MOP 2027 progress report
31 2027 Thematic reports XXXVI/6 Metered-dose inhalers (MDI’s) with low-global-warming-potential (GWP) propellants Decision XXXVI/6, paragraph 3 – Continue to provide in the TEAP annual progress reports updated information on low-GWP metered-dose inhaler propellants and to complement the TEAP 2026 quadrennial assessment report with timely information, including on the availability, technical feasibility, economic viability, safety and market penetration of those propellants in parties operating under paragraph 1 of Article 5 of the Montreal Protocol on Substances that Deplete the Ozone Layer and in parties not so doing 2027 Progress report
32 2027 Periodic assessments XXXV/3 Quadrennial assessment Decision XXXV/3 - TEAP, SAP and EEAP to finalize a synthesis report of their 2026 quadrennial assessment reports in time for the 39th MOP in 2027 2026 quadrennial assessment synthesis report
33 2027 Periodic assessments XXVIII/2 Review related to the Kigali Amendment to the Montreal Protocol Decision XXVIII/2, paragraph 4 – Conduct periodic reviews of alternatives to HFCs in 2022 and every five years thereafter, and provide technological and economic assessments of the latest available and emerging alternatives to HFCs (second review) Report on review of alternatives to HFCs
34 2028 Progress updates IV/13 Technical progress update by TEAP and its TOCs Decision IV/13 – Report annually to OEWG on technical progress in reducing the use and emissions of controlled substances and assess the use of alternatives, particularly their direct and indirect global-warming effects 2028 progress report
35 2028 Progress updates XI/17 Technical progress update by TEAP and its TOCs Decision XI/17 – Report on any important new developments on an annual basis 2028 progress report
36 2028 Progress updates XXXI/8 Procedures relevant to nominations to the TEAP and its TOCs. Decision XXXI/8 – Provide, as part of its annual progress report, a summary outlining the procedures that the Panel and its technical options committees have undertaken to ensure adherence to the Panel’s terms of reference through clear and transparent procedures, including full consultations with the focal points, in line with the terms of reference, regarding: (a) nomination processes, taking into account the matrix of needed expertise and already available expertise; (b) proposed nominations and appointment decisions; (c) termination of appointments; and (d) replacements 2028 progress report
37 2028 Thematic reports IX/6 Critical-use nominations Decision IX/6 – Review nominations for critical-use exemption of methyl bromide and make recommendations based on the criteria established in the decision (and other relevant decisions) 2028 progress report (only upon submission of nominations)
38 2028 Thematic reports IV/25 Essential-use nominations Decision IV/25 – Review any submitted nominations and make recommendations in accordance with the criteria established in the decision 2028 progress report (only upon submission of nominations)
39 2028 Thematic reports XXXI/5 Laboratory and analytical uses Decision XXXI/5 – Report in the TEAP quadrennial report on any progress made by parties in reducing their production and consumption of ozone depleting substances for laboratory and analytical uses, on any new alternatives to those uses, and on laboratory standards that can be performed without such substances, on the understanding that, should new compelling information become available, including opportunities for significant reductions in production and consumption, that information should be reported in its annual progress report 2028 progress report (only if new compelling information becomes available)
40 2028 Thematic reports XXXI/6 Process agents Decision XXXI/6 – Report in the TEAP quadrennial reports on any progress made by parties in reducing their use and emissions of controlled substances as process agents and on any new alternatives to such uses, including new production processes and emissions-reduction techniques, on the understanding that should new compelling information become available, that information should be reported in its annual progress report 2028 progress report (only if new compelling information becomes available)
41 2028 Thematic reports XXX/15 Process agents; destruction technologies; laboratory and analytical uses; n-propyl bromide; possible new substances Review only if the specific conditions set out in decision XXX/15 are met
42 2028 Thematic reports XXXVI/2 Life-cycle refrigerant management Decision XXXVI/2,, paragraph 1– Include updated relevant information on life-cycle refrigerant management in its 2025 and subsequent progress reports, including the 2026 quadrennial assessment report, taking into account discussions at MOP36 2028 progress report
43 2028 Periodic assessments XXVIII/2 Review related to the Kigali Amendment to the Montreal Protocol Decision XXVIII/2, paragraphs 32 and 33 – Periodically assess the suitability of HFC alternatives for use at high ambient temperatures, starting four years from the HFC freeze date and every four years thereafter (first review) Assessment of high-ambient-temperature HFC alternatives
44 2029 Progress updates IV/13 Technical progress update by TEAP and its TOCs Decision IV/13 – Report annually to OEWG on technical progress in reducing the use and emissions of controlled substances and assess the use of alternatives, particularly their direct and indirect global-warming effects 2029 progress report
45 2029 Progress updates XI/17 Technical progress update by TEAP and its TOCs Decision XI/17 – Report on any important new developments on an annual basis 2029 progress report
46 2029 Progress updates XXXI/8 Procedures relevant to nominations to the TEAP and its TOCs. Decision XXXI/8 – Provide, as part of its annual progress report, a summary outlining the procedures that the Panel and its technical options committees have undertaken to ensure adherence to the Panel’s terms of reference through clear and transparent procedures, including full consultations with the focal points, in line with the terms of reference, regarding: (a) nomination processes, taking into account the matrix of needed expertise and already available expertise; (b) proposed nominations and appointment decisions; (c) termination of appointments; and (d) replacements 2029 progress report
47 2029 Thematic reports IX/6 Critical-use nominations Decision IX/6 – Review nominations for critical-use exemption of methyl bromide and make recommendations based on the criteria established in the decision (and other relevant decisions) 2029 progress report (only upon submission of nominations)
48 2029 Thematic reports IV/25 Essential-use nominations Decision IV/25 – Review any submitted nominations and make recommendations in accordance with the criteria established in the decision 2029 progress report (only upon submission of nominations)
49 2029 Thematic reports XXXI/5 Laboratory and analytical uses Decision XXXI/5 – Report in the TEAP quadrennial report on any progress made by parties in reducing their production and consumption of ozone depleting substances for laboratory and analytical uses, on any new alternatives to those uses, and on laboratory standards that can be performed without such substances, on the understanding that, should new compelling information become available, including opportunities for significant reductions in production and consumption, that information should be reported in its annual progress report 2029 progress report (only if new compelling information becomes available)
50 2029 Thematic reports XXXI/6 Process agents Decision XXXI/6 – Report in the TEAP quadrennial reports on any progress made by parties in reducing their use and emissions of controlled substances as process agents and on any new alternatives to such uses, including new production processes and emissions-reduction techniques, on the understanding that should new compelling information become available, that information should be reported in its annual progress report 2029 progress report (only if new compelling information becomes available)
51 2029 Thematic reports XXX/15 Process agents; destruction technologies; laboratory and analytical uses; n-propyl bromide; possible new substances Review only if the specific conditions set out in decision XXX/15 are met
52 2029 Thematic reports XXXVI/2 Life-cycle refrigerant management Decision XXXVI/2, paragraph 1– Include updated relevant information on life-cycle refrigerant management in its 2025 and subsequent progress reports, including the 2026 quadrennial assessment report, taking into account discussions at MOP36 2029 progress report
53 2029 Periodic assessments Replenishment study for 2030–2032 Expected decision at the 40th MOP, in 2028, and potential additional guidance by OEWG (51st meeting) in 2029 – Prepare a report on the appropriate level of the 2030–2032 replenishment of the Multilateral Fund Replenishment task force report (2030–2032)
54 2029 Periodic assessments Replenishment study for 2030–2032 Expected decision at the 40th MOP, in 2028, and potential additional guidance by OEWG (51st meeting) in 2029 – Prepare a report on the appropriate level of the 2030–2032 replenishment of the Multilateral Fund Supplement to the replenishment task force report
55 2030 Progress updates IV/13 Technical progress update by TEAP and its TOCs Decision IV/13 – Report annually to OEWG on technical progress in reducing the use and emissions of controlled substances and assess the use of alternatives, particularly their direct and indirect global-warming effects 2030 progress report
56 2030 Progress updates XI/17 Technical progress update by TEAP and its TOCs Decision XI/17 – Report on any important new developments on an annual basis 2030 progress report
57 2030 Progress updates XXXI/8 Procedures relevant to nominations to the TEAP and its TOCs. Decision XXXI/8 – Provide, as part of its annual progress report, a summary outlining the procedures that the Panel and its technical options committees have undertaken to ensure adherence to the Panel’s terms of reference through clear and transparent procedures, including full consultations with the focal points, in line with the terms of reference, regarding: (a) nomination processes, taking into account the matrix of needed expertise and already available expertise; (b) proposed nominations and appointment decisions; (c) termination of appointments; and (d) replacements 2030 progress report
58 2030 Thematic reports IX/6 Critical-use nominations Decision IX/6 – Review nominations for critical-use exemption of methyl bromide and make recommendations based on the criteria established in the decision (and other relevant decisions) 2030 progress report (only upon submission of nominations)
59 2030 Thematic reports IV/25 Essential-use nominations Decision IV/25 – Review any submitted nominations and make recommendations in accordance with the criteria established in the decision 2030 progress report (only upon submission of nominations)
60 2030 Thematic reports XXXI/5 Laboratory and analytical uses Decision XXXI/5 – Report in the TEAP quadrennial report on any progress made by parties in reducing their production and consumption of ozone depleting substances for laboratory and analytical uses, on any new alternatives to those uses, and on laboratory standards that can be performed without such substances, on the understanding that, should new compelling information become available, including opportunities for significant reductions in production and consumption, that information should be reported in its annual progress report 2030 quadrennial assessment report
61 2030 Thematic reports XXXI/6 Process agents Decision XXXI/6 – Report in the TEAP quadrennial reports on any progress made by parties in reducing their use and emissions of controlled substances as process agents and on any new alternatives to such uses, including new production processes and emissions-reduction techniques, on the understanding that should new compelling information become available, that information should be reported in its annual progress report 2030 quadrennial assessment report
62 2030 Thematic reports XXX/15 Process agents; destruction technologies; laboratory and analytical uses; n-propyl bromide; possible new substances Review only if the specific conditions set out in decision XXX/15 are met
63 2030 Thematic reports XXXVI/2 Life-cycle refrigerant management Decision XXXVI/2, paragraph 1– Include updated relevant information on life-cycle refrigerant management in its 2025 and subsequent progress reports, including the 2026 quadrennial assessment report, taking into account discussions at MOP36 2030 progress report
64 2030 Periodic assessments Quadrennial assessment Expected decision at the 39th MOP, in 2027 - Prepare the TEAP 2030 quadrennial assessment TEAP and TOCs 2030 quadrennial assessment reports (6)
65 2030 Periodic assessments XXIX/12 HFCs not listed in Annex F of the Montreal Protocol Decision XXIX/12 – Provide in the quadrennial reports of the assessment panels to be presented to the 35th MOP, in 2023, and every four years thereafter, information on the consumption and production of HFCs not listed in Annex F of the Protocol that have global warming potential no less than the lowest global warming potential of the HFCs listed in Annex F 2030 quadrennial assessment reports
1 The provisions of decision XXX/15 regarding process agents and laboratory and analytical uses are superceded by decisions XXXI/6 and XXXI/5, respectively. The process of dealing with possible new substances is set out in decision IX/24.
2 Reports to be produced on the listed issues are not indicated herein given that the time at which the respective conditions set out in decision XXX/15 will be met is not known.