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Technical Advisory Body (TAB)

2020 TAB Assessment

Call for Public Comments

ICAO begins each TAB assessment cycle by inviting emissions unit programmes to apply for assessment against the CORSIA Emissions Unit Criteria (EUC) by the TAB. ICAO received eight responses to the call for applications for the current assessment cycle. The responses provided - except for information labelled as business confidential - are included below:


  1. Architecture for REDD+ Transactions
  2. BioCarbon Fund Initiative for Sustainable Forest Landscapes
  3. Cercarbono
  4. Compte CO2
  5. Joint Crediting Mechanism between Japan and Mongolia
  6. Olkaria IV Geothermal Project
  7. Perform, Achieve, and Trade Scheme
  8. Regional Greenhouse Gas Initiative

In addition to the eight new programme applications above, ICAO received two material updates to previously-assessed programmes:

1. Forest Carbon Partnership Facility

2. Verified Carbon Standard (managed by Verra)

The public is invited to submit comments on the above responses to the call for applications for the current assessment cycle as well as the material updates to previously-assessed programmes, in particular regarding the alignment of applicant organizations with the EUC. The public is requested to use this form to provide structured comments on these responses. Comments are not invited on responses submitted under previous assessment cycles.

The deadline for submitting comments is Friday 26 June, 2020. Comments should be sent by email to

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

ICAO reserves its rights to excude from publication any submissions that are inconsistent with these guidelines, or which contain information that can be perceived as offensive, defamatory, and/or third-party advertising (e.g. spam).

All comments received by the deadline are considered in full, but due to time contraints, ICAO is unable to provide individualized responses.

Call for Applications

ICAO invited emissions unit programmes to apply for assessment against the CORSIA Emissions Unit Criteria (EUC). To apply, emissions unit programmes completed the application forms below and submitted them to by 20 April 2020. The next call for applications is foreseen to begin in January 2021.

Application Form for Emissions Unit Programmes

Application Form, Appendix A - Supplementary Information

Application Form, Appendix B - Programme Assessment Scope

Application Form, Appendix C - Programme Exclusions Scope

2020 Webinar for Emissions Unit Programmes

On Friday 3 April, 2020, ICAO held a webinar for emissions unit programmes to learn more about the application process for the assessment by the TAB.

2019 TAB Assessment

From 14 June to 12 July 2019, ICAO invited emissions unit programmes to apply for assessment by the TAB. Detailed information about that assessment can be accessed from this page.


Technical Advisory Body (TAB)

Assembly Resolution A40-19 requested the ICAO Council to develop and update the ICAO document referenced in Annex 16, Volume IV related to the eligible emissions units for use by the CORSIA, considering the recommendations of the TAB.


TAB Terms of Reference

TAB Procedures
List of TAB M​embers

TAB Work Programme and Timeline

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