MARPOL Annex VI MEPC.385(81)

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August 1, 2025
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Amendments to MARPOL Annex VI (Low-Flashpoint Fuels and Other Fuel Oil Related Issues, Marine Diesel Engine Replacing Steam System, Accessibility and Inclusion of Data on Transport Work and Enhanced Granularity in the IMO Ship Fuel Consumption Database (IMO DCS))
Amendments to Regulations 2, 14 and Appendix I of MARPOL Annex VI revise the definition of gas fuels to align with the IGF Code and clarify that the in-use/onboard sampling points shall not apply to gas/low-flashpoint fuels. Furthermore, Regulation 18 is amended to apply bunker delivery note (BDN) requirements to gas/low-flashpoint fuels. Members with ships using gas or low-flashpoint fuels are recommended to ensure that the minimum information is included in the BDN.
Amendments to Regulation 13.2.2 of MARPOL Annex VI clarify that replacing a steam system with a diesel engine is considered a major conversion, rather than a minor modification. Where a Tier III engine would be required and a Tier II engine is permitted for installation as a replacement, the flag Administration must report this to the IMO.
Amendments to Regulation 27 of MARPOL Annex VI allow IMO to share ship’s fuel oil consumption data with analytical consultancies and research entities, under strict confidentiality and with the company’s consent, in a non-anonymized form