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Technical Advisory Body (TAB)

2023 Programme Applications and Material Changes to Previously-Assessed Programmes


From 24 February to 31 March 2023, ICAO invited emissions unit programmes to  apply for assessment by the Technical Advisory Body (TAB) against the CORSIA  Emissions Unit Criteria (EUC) to supply CORSIA Eligible Emissions Units for the  2024 – 2026 compliance period (first phase).

ICAO received eleven 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. Carbonpath

4. Cercarbono

5. Forest Carbon Partnership Facility

6. International Carbon Registry

7. J-Credit

8. KCCI Carbon Standard

9. Premium Thailand Voluntary Emission Reduction Program

10. Riverse

11. Socialcarbon

In addition to the applications above, ICAO received three material updates to  previously-assessed programmes for TAB's assessment by April 2023. 

1. Biocarbon Fund Initiative for Sustainble Forest Landscapes

2. Global Carbon Council

3. Socialcarbon

Assessment of 2023 applications will be conducted in line with TAB's annual work  programme for 2023.

Public Comments

ICAO invites the public to submit comments on the applications submitted by  programmes in 2023 and the material changes to previously-assessed programmes, including regarding their alignment with the EUC. The period for comments is  open from 4 May to 3 June 2023.


Comments may be submitted to using the Public Comments Form by 3 June 2023.


Public comments received during this assessment cycle, including commenter  names and organizations, will be published on this website following the decision  by the Council in respect of TAB's eligibility recommendations for this cycle.


ICAO reserves its rights to exclude from publication any submissions that are  inconsistent with the guidelines, or which contain information that can be  perceived as offensive, defamatory, and/or third-party advertising. ICAO will not  consider any submission from the public that requests confidential treatment of  all, or a substantial part, of the submission.

2023 Webinar for Emissions Unit Programmes

Understanding CORSIA Eligible Emissions Units

On March 8, 2023 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 TAB.

Application and Re-application Forms

Programmes that are interested to supply CORSIA Eligible Emissions Units can apply for assessment by the Technical Advisory Boday against the CORSIA Emissions Unit Criteria (EUC) during the annual call for applications.

New applicants are requested to use the below listed forms:

Application Form

Application Form Appendix A - Supplementary Information

Application Form Appendix B - Programme Assessment Scope

Application Form Appendix C - Programme Exclusion Scope

Application Form Appendix D - Registry Attestation

Re-applicants (any programme that submitted its application(s) in previous assessment cycles and would like to re-apply for TAB assessment) are requested to use the forms below:

Re-application Form

Re-Application Form Appendix A - Supplementary Information

Re-application Form Appendix B - Programme Assessment Scope

Re-application Form Appendix C - Programme Exclusion Scope

Re-application Form Appendix D - Registry Attestation

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, 2021 and 2022. Detailed information about those assessments can be accessed below:

2019 TAB Assessment

2020 TAB Assessment

2021 TAB Assessment

2022 TAB Assessment

Technical Advisory Body (TAB)

TAB Terms of Reference

TAB Procedures
List of TAB M​embers

TAB 2023 Work Programme
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