Standards & schemes · Certification scheme

CORSIA (aviation offsetting)

International Civil Aviation Organization (ICAO)

01

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

02

Which version is current?

Profile version 2. Official information last verified 24 August 2026.

03

Who and what does it cover?

Geography
Global (international aviation)
Sectors
Aviation
Scope
Aeroplane operator / emissions unit
04

What does it require?

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.

05

How is conformity assessed?

Accredited verification bodies; only CORSIA-eligible emissions units and fuels count

Grievance mechanism

06

Who makes the decision?

International Civil Aviation Organization (ICAO)

Assurance arrangementAccredited verification bodies; only CORSIA-eligible emissions units and fuels count

07

Chain of custody

Registry-based unit cancellation

ISEAL membership

08

Conditional relationships

Claims it may support

A relationship does not mean that the standard proves or validates every use of a claim.

Net zero flight” / “CO₂-neutral deliveryMay support · Requires a current valid certificate within the scheme's scope; certification supports but does not by itself prove the claim — wording must reflect certified scope and assurance level.see standards.last_verifiedSustainable aviation fuel” (SAF) flight claimsMay support · Requires a current valid certificate within the scheme's scope; certification supports but does not by itself prove the claim — wording must reflect certified scope and assurance level.see standards.last_verified
09

Legal context

Laws referencing it

No reviewed law references are published.

10

Dictionary

Dictionary concepts

No reviewed dictionary cross-link is published.

11

Version record

What has changed

  1. Version 2Initial profile published after recorded site-owner/editor review of the complete standards batch.
  2. Version 1Initial private editorial draft imported from the reviewed standards handover.
12

Challenge or improve

Have evidence, context or a correction?

Every suggestion is checked by an editor before it changes this profile.

Suggest a correction

Last verified 24 August 2026. This neutral profile is informational and does not recommend, rank or endorse the standard.