Latest updates
28 November 2022 ICAO Council approves CORSIA Sustainability Criteria for Lower Carbon Aviation Fuels.
12 November 2021 ICAO Council approves CORSIA Sustainability Criteria for sustainable aviation fuels.
3 June 2022 - ICAO Council approves amendments to three ICAO documents related to CORSIA eligible fuels
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CORSIA allows aircraft operators to reduce its offsetting requirements through the use of CORSIA eligible fuels, which include CORSIA sustainable aviation fuels and CORSIA lower carbon aviation fuels.
The ICAO CORSIA Implementation Element "CORSIA eligible fuels" is reflected in five ICAO documents referenced in Annex 16, Volume IV. They are available for download below.
*Sustainability Certification Schemes interested in being evaluated should follow the application process described here.
FAQs
The CORSIA FAQs includes a section on CORSIA eligible fuels (see questions 4.11 to 4.21).
Sustainability Certification
CORSIA eligible fuels shall come from fuel producers that are certified by a Sustainability Certification Scheme (SCS) approved by the ICAO Council to perform this certification (more information on this approval process is available here).
The following flowcharts illustrate the relation between the various entities involved with the sustainability certification of CORSIA Eligible Fuels (click to enlarge).

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CORSIA eligible fuel. A CORSIA sustainable aviation fuel or a CORSIA lower carbon aviation fuel, which an operator may use to reduce their offsetting requirements.
CORSIA lower carbon aviation fuel. A fossil-based aviation fuel that meets the CORSIA Sustainability Criteria under this Volume.
CORSIA sustainable aviation fuel. A renewable or waste-derived aviation fuel that meets the CORSIA Sustainability Criteria under this Volume.