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About ICAO
  • Overview
  • Strategic Plan 2026-2050
  • Latest News and Highlights
  • FAQs
  • List - ICAO Member States
  • ICAO Museum
  • ICAO Carbon Calculator
  • Report Misconduct
  • Contact ICAO
Diplomatic Bodies
  • ICAO Assembly (193 States)
  • Sessions of the Assembly
  • Resolutions in Force
  • ICAO Council (36 States)
  • President of the Council
  • Sessions of the Council
  • Council State Representatives
  • Air Navigation Commission
ICAO Secretariat
  • Secretary General
  • Air Navigation Bureau
  • Air Transport Bureau
  • Capacity Development and Implementation Bureau
  • Legal Affairs and External Relations Bureau
  • Administration Bureau
  • Regional Offices
Global Priorities
Strategic Goals
  • Every Flight is Safe and Secure
  • Aviation is Environmentally Sustainable
  • • CORSIA
  • • State Action Plans for Aviation CO2 Reduction
  • • Finvest Hub
  • Seamless, Accessible, and Reliable Mobility
  • No Country Left Behind
  • • Capacity Development and Implementation Support
  • Comprehensive Legal Framework
  • Economic Development
Enablers
  • ICAO Continuous Improvement
  • Innovation in Aviation
  • Next Generation Aviation Professionals
  • Gender Equality
  • ICAO Global Ambassadors Programme
  • ICAO Training
  • Partnerships and Resource Mobilization
Events
Featured Events
  • ICAO/AWG Joint Regional Workshop on Cross-Border Transferability of Aircraft (XBT) and Compliance with the Cape Town Convention (CTC)
  • ICAO Global Implementation Support Symposium 2026
  • Fourteenth Meeting of the Facilitation Panel (FALP/14)
  • 4th Civil Aviation Legal Advisers Forum (CALAF/4)
  • View the Full List of Coming and Past meetings and Events
  • Host your event at ICAO
Resources
Resources
  • ICAO E-Library
  • Publications
  • Annual Reports of the Council
  • Safety Audit Results - Interactive
  • Aviation Benefits Report
  • Economic Facts and Figures
  • Global Aviation Safety Plan
  • Safety Reports
  • Global Air Navigation Plan
  • Air Navigation Reports
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2022 TAB Assessment

Re-assessment


 
From 31 January to 11 March 2022, ICAO invited CORSIA Eligible Emissions Unit Programmes to participate in the re-assessment process in 2022. A key objective of this re-assessment is to inform TAB’s recommendations to the ICAO Council regarding emissions units that should be eligible for use under CORSIA in the first phase (2024-2026 compliance period).

 
ICAO received seven responses to the call for re-assessment. The responses provided - except for the information labeled as business confidential - are included below:
 
1. American Carbon Registry
2. Architecture for REDD+ Transactions
3. Clean Development Mechanism
4. Climate Action Reserve
5. Global Carbon Council
6. The Gold Standard
7. Verified Carbon Standard

The public was invited to submit comments on the responses to the call for re-assessment, including regarding their alignment with the EUC. Additionally, the public was invited to include views and suggestions on TAB's procedures.
 
ICAO did not receive any comments regarding the re-assessment process.

 
​TAB Recommendations
TAB submitted its report to Council in March 2023. After consideration, Council accepted TAB's recommendations and approved the associated ICAO document "CORSIA Eligible Emissions Units." TAB recommendations in the TAB Report (January 2023) are available below.
 

 
​Clarification of TAB's criteria interpretation
Them document "Clarification of TAB's criteria interpretation contained in TAB Reports" consolidates TAB’s further interpretations of the CORSIA Emissions Units Eligibility Criteria and associated Guidelines for Criteria Interpretation, including specific approaches taken to apply criteria and guidelines during the TAB’s assessments, which form the basis of TAB’s recommendations to the ICAO Council on eligible emissions units. The latest version of this document is available here.

 

2022 Programme Applications and Material Changes to Previously-Assessed Programmes (submitted by March 2022)


From 26 January to 26 February 2022, ICAO invited emissions unit programmes to apply for assessment by TAB against the CORSIA Emissions Unit Criteria (EUC).
 
ICAO received seven responses to the call for applications. The responses provided - except for the information labeled as business confidential - are included below:
 
1. BioCarbon Fund Initiative for Sustainable Forest Landscapes
2. BioCarbon Registry
3. Cercarbono
4. International Carbon Registry
5. J-Credit Scheme
6. Joint Crediting Mechanism (JCM) between Japan and Mongolia
7. SOCIALCARBON Standard

In addition to the seven responses above, ICAO received one material updates to previously-assessed programmes for TAB's assessment by March 2022.
 
1. Forest Carbon Partnership Facility (FCPF)

 
​Public Comments
From 25 March to 24 April 2022, ICAO invited the public to submit comments on responses to the call for applications and material updates, regarding their alignment with the EUC.
 
ICAO received public comments from 3 organizations, which are available in a consolidated form here.

 
​TAB Recommendations
 
TAB submitted its report to Council in November 2022. After consideration, Council accepted TAB's recommendations and approved the associated ICAO document "CORSIA Eligible Emissions Units." TAB's recommendations in the TAB Report (September 2022) are available below.
 
 
​
 
Registry Attestations
Signed Emissions Unit Programme Registry Attestation from programme approved by Council in November 2022 is available below:
 
1. Forest Carbon Partnership Facility (FCPF)

 
​​2022 Webinar for Emissions Unit Programmes
 
Understanding CORSIA Eligible Emissions Units
 
On Wednesday 2 February 2022, ICAO held a webinar to inform stakeholders about the TAB assessment process, key documents for understanding CORSIA eligibility, recent developments and next steps in the work of the Technical Advisory Body (TAB).
 
  • Webinar Presentation
  • Webinar Recording
 
​Material Change Form
Programmes which are approved to supply CORSIA Eligible Emissions Units are encouraged to use the Material Change Form to inform TAB of any material changes, the procedures for which are described in Section 8 of the TAB Procedures.
 
​Market Monitoring Form
The public is invited to submit comments pertaining to observations of any potential deviation from the Emissions Units Criteria (EUC), CORSIA Eligible Emissions Unit Programme's Scope of Eligibility (as specified in the ICAO document "CORSIA Eligible Emissions Units"), and/or Terms of Eligibility on an on-going basis using this Market monitoring form.

 

Previous TAB Assessments

TAB completed assessments in 2019, 2020 and 2021. Detailed information about those assessments can be accessed below:
 
2019 TAB Assessment
2020 TAB Assessment
2021 TAB Assessment

 Technical Advisory Body (TAB)
TAB Terms of Reference
TAB Procedures
List of TAB M​embers
TAB Work Programme and Timeline
Clarifications of TABs criteria interpretation

 
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