Singapore legislation
Regulation 21
of Air Navigation (Carbon Emissions and Reporting) Regulations 2022
Regulation 21
Simplified monitoring of fuel use by secondary registered Singapore operators
A secondary registered Singapore operator must monitor and record its fuel use from the operation, during each reporting period, of any defined aeroplane for any defined international flight attributable to the secondary registered Singapore operator, in accordance with the ICAO CORSIA CERT specified by the Director‑General of Civil Aviation in Part 2 of the Aviation Specifications 4 — Fuel Use Monitoring Methods.