Eligible Emissions Units
Understand the role of eligible emissions units and the evidence expectations behind their use.
Latest regulatory updates
What changed recently
ICAO
ICAO Updates CORSIA Eligible Emissions Units (CEEUs)
ICAO has published an updated overview of CORSIA Eligible Emissions Units (CEEUs), providing aircraft operators with the latest information on approved programme registries, host countries, and the quantity of emissions units available for the 2024–2026 CORSIA First Phase.
What operators should know
Practical guidance for compliance teams
What operators should know
What changed?
The focus on unit eligibility is increasingly tied to robust documentation and governance across procurement and reporting.
Why is it important?
Eligible units can materially affect compliance strategy and cost exposure.
Who is affected?
Operators, sustainability teams and commercial functions involved in unit strategy.
When does it apply?
This matters when planning offset strategy and during reporting, review and audit processes.
What action should operators take?
Review unit eligibility criteria, maintain records and align internal approvals with policy requirements.
Risks of non-compliance
Weak documentation can create reporting challenges and commercial uncertainty.
Emissence insight
Emissence insight
Unit selection should be treated as a governed commercial decision with an auditable evidence trail.
Common mistakes operators make
- Keep eligibility criteria documented before purchase decisions are approved.
- Use a review checklist for every unit selection.
- Retain evidence for future audit or challenge.
Recommended actions
- Create an approval workflow for unit strategy decisions.
- Document rationales for each unit portfolio choice.
- Review unit data alongside broader compliance metrics.
Need help understanding how this regulation affects your airline?
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