In order to effectively implement the IMO's global regulations on the limits of the sulphur content of marine fuel oil, China MSA announced the Implementation Plan of 2020 Global Marine Fuel Oil Sulphur Limits (hereinafter referred to as "The Plan") on 23 October 2019.

The Plan specifies the requirements on the ships' use and carriage of fuel oil as well as alternative measures, reporting of information about the ships' use and carriage of fuel oil, disposal of ships' non‐compliant fuel oil, prior registration of bunker suppliers, as well as MSA's supervision and administrative measures, etc. The Plan also includes the format of the Fuel Oil Non‐Availability Report (Hereinafter referred to as "FONAR").