Page ContentThis ICAO CORSIA Implementation Element is reflected in five ICAO documents referenced in Annex 16, Volume IV. They are available for download below.This ICAO document will become available following approval by the ICAO Council.*CORSIA Eligibility Framework and Requirements for Sustainability Certification SchemesCORSIA Approved Sustainability Certification Schemes*CORSIA Sustainability Criteria for CORSIA Eligible FuelsCORSIA Default Life Cycle Emissions Values for CORSIA Eligible Fuels**CORSIA Methodology for Calculating Actual Life Cycle Emissions Values *Sustainability Certification Schemes interested in being evaluated should follow the application process described here.**The CORSIA Supporting Document “CORSIA Eligible Fuels - Life Cycle Assessment Methodology” provides technical information and describes ICAO processes to manage and maintain the ICAO document “CORSIA Default Life Cycle Emissions Values for CORSIA Eligible Fuels”.The following chart illustrates the relation between all these documents and the Annex 16 Vol. IV references.