Technical Advisory Body (TAB)

2026 Assessment Cycle

From 9 February to 9 March 2026, ICAO invited emissions unit programmes to apply to the 2026 assessment cycle by TAB, which will make recommendations on their eligibility to supply CORSIA-Eligible Emissions Units for the 2027-2029 compliance period (part of the CORSIA ‘second phase’).

The assessment will be conducted during TAB’s 2026 annual assessment cycle, according to the TAB Terms of Reference, TAB Procedures and 2026 Work Programme.

Material Change Form

Programmes which are approved to supply CORSIA Eligible Emissions Units should 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.

The programme(s) are invited to complete and submit the Material Change notification form, including accompanying evidence, no later than 25 April 2026 via TAB [at] icao.int.

2026 Webinar for Emissions Unit Programmes
Understanding CORSIA Eligible Emissions Units

On 18 February 2026, ICAO organized a webinar to inform stakeholders about the 2026 assessment process, key documents for understanding the CORSIA Eligible Emissions Units, recent developments and next steps in the work of the Technical Advisory Body. The presentation, recording, and FAQs are available below:

Webinar Presentation
Recording
FAQs

2026 application documents

Summary Table

The summary table on CORSIA Eligible Emissions Units presents in a consolidated manner the list of programmes fully or conditionally approved by the ICAO Council to supply units to the Pilot Phase (2021-2023 compliance period), First Phase (2024-2026 compliance period), and 2027-2029 compliance period. The table is for information purposes only and is available here.

Clarification of TAB's criteria interpretation

The 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.

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.