What is it?
Certification scheme issued or operated by International Civil Aviation Organization (ICAO).
Regulatory recognitionICAO global market-based measure; interacts with EU ETS for aviation; eligibility determinations by ICAO Council
Standards & schemes · Certification scheme
International Civil Aviation Organization (ICAO)
Certification scheme issued or operated by International Civil Aviation Organization (ICAO).
Regulatory recognitionICAO global market-based measure; interacts with EU ETS for aviation; eligibility determinations by ICAO Council
Profile version 2. Official information last verified 24 August 2026.
Carbon Offsetting and Reduction Scheme for International Aviation: operators offset CO₂ growth above the baseline using CORSIA-eligible units and fuels. Pilot (2021–23) and first phase (2024–26) voluntary; second phase (2027–35) mandatory for most states.
What it does not demonstrateThe scheme does not by itself prove that a particular product, site or organisation holds a current certificate; its scope and validity must be checked.
Accredited verification bodies; only CORSIA-eligible emissions units and fuels count
Grievance mechanism—
International Civil Aviation Organization (ICAO)
Assurance arrangementAccredited verification bodies; only CORSIA-eligible emissions units and fuels count
Registry-based unit cancellation
ISEAL membership—
Conditional relationships
A relationship does not mean that the standard proves or validates every use of a claim.
Legal context
No reviewed law references are published.
Dictionary
No reviewed dictionary cross-link is published.
Version record
Last verified 24 August 2026. This neutral profile is informational and does not recommend, rank or endorse the standard.