1
Third Meeting of Lead Reviewers of Biennial Transparency Reports (BTR)
19 - 20 May 2026
09:00h - 18:00h
CET/UTC+1
Bonn, Germany
Germany
UN Campus
Transparency & Measurement, reporting, and verification (MRV)
English
1
Third Meeting of Lead Reviewers of Biennial Transparency Reports (BTR)
19 - 20 May 2026
09:00h - 18:00h
CET/UTC+1
Bonn, Germany
Germany
UN Campus
Transparency & Measurement, reporting, and verification (MRV)
English

Information and resources

 

Schedule, logistics and outcomes 

Item

Document

Agenda

Agenda

Logistical information

Logistics Note

Conclusions

Conclusions_3rd BTR LRs meeting_2026

List of participants

List of participants

UNFCCC newsroom article

 

Photos from the meeting

Family picture

 

Opening presentations

Item

Document

Information on the TER process, including training activities and review tools

BTR LRs meeting - Information on the TER process, training activities and review tools

Passing rates per exam

Outlook for BTR reviews in 2026 and beyond, including Article 6 process linkage and adaptation reviews

BTR LRs meeting - Outlook for BTR reviews, Article 6 process and adaptation reviews

 

Substantive documents and presentations

Agenda item of the BTR LRs meeting

Background document / presentation

Report-back on requests from previous LRs meeting – part I

 

  • Drawing on acquired experience from 2024 and 2025 reviews in planning and organizing additional reviews for 2025 and 2026 and collecting and analysing feedback and lessons learned on the operationalization of BTRs reviews

BTR LRs meeting - Acquired experience and lessons learned and planning

  • Compiling successful practices and approaches used for BTR reviews for inclusion in the Review Guidance and inclusion of agreed guidance on substantive review issues in the Review Guidance

BTR LRs meeting - Review Guidance - successful practices and approaches and agreed guidance on substantive review issues

Review Guidance

Review Handbook

  • Identifying successful practices and approaches used by TERTs for BTR reviews and collecting and analysing information on substantive review-related issues identified by TERTs and the knowledge hubs

BTR LRs meeting - Successful practices and approaches and substantive review-related issues

Report-back on requests from previous LRs meeting – part II

 

  • Continue fostering LR interaction with the PAICC

 

  • PAICC consideration of “significant and persistent inconsistencies” based on BTR technical expert review reports

BTR LRs meeting - Interaction with PAICC

BTR LRs meeting - PAICC presentation

2026_LRs_BN_Work of the PAICC under 22(b) of its modalities and procedures

  • Assessing procedures and approaches for simplified reviews

BTR LRs meeting - Assessing procedures and approaches for simplified reviews

2026_LRs_BP_Simplified_reviews

Substantive discussions on BTR review issues (Knowledge Hubs) – part I

 

  • Applicability of paragraph 6 of the MPGs to process-related provisions
  • How to review missing tabular information
  • Consideration of progress in case of conditional NDC targets
  • Consideration of progress in case of key and supporting indicators
  • Consideration of progress in case of NDC 2.0 and NDC 3.0 targets reported in the same BTR submission
  • Revision of baseline scenario in case of recalculation of GHG inventory

BTR LRs meeting - Knowledge Hubs - Substantive discussions on BTR review issues - Part I

2026_LRs_BP_Approaches for BTR review issues

 

Substantive discussions on BTR review issues (Knowledge Hubs) – part II

 

  • How to report national institutional arrangements and projections of key indicators for EU member States
  • Clarifying the point of projections of key indicators not to be used for tracking progress of NDCs (para. 97 in conjunction with para. 93 of MPGs)
  • Age of inventory data used for projections: what range for the last year of inventory data used in projections is acceptable
  • Review of grant-equivalent values for bilateral and multilateral financial support provided

BTR LRs meeting - Knowledge Hubs - Substantive discussions on BTR review issues - Part II

2026_LRs_BP_Approaches for BTR review issues

 

  • Addressing and identifying Capacity Building Needs in BTR reviews and their scope

BTR LRs meeting - Addressing Capacity-building Needs in BTR reviews

2026 LRs BP Addressing CBNs in BTR Reviews

 

Additional information (not part of the BTR LRs Meeting's agenda)

Item

Document

Update from IPCC Task Force on National Greenhouse Gas Inventories (TFI)

IPCC_TFI_Update_2026