1 The Marine Environment Protection Committee, at its seventy-eighth session (6 to 10
June 2022), approved unified interpretations to regulation 18.3 of MARPOL Annex VI concerning the use of
biofuels.
2 The updated consolidated text of all existing unified interpretations to MARPOL Annex VI,
including those set out in circular MEPC.1/Circ.795/Rev.5, are set out in the annex.
3 The regulation numbers in the annexed unified interpretations refer to the 2021
Revised MARPOL Annex
VI, as adopted by resolution
MEPC.328(76), which was accepted on 1 May 2022 in accordance with article
16(2)(f)(iii) of MARPOL and which will enter into force on 1 November 2022.
4 Member Governments are invited to apply the annexed unified interpretations to MARPOL Annex VI,
as appropriate, and bring them to the attention of all Parties concerned.
5 Member Governments are also invited to note MEPC.1/Circ.897 setting out
cross-reference tables between the 2021 Revised MARPOL Annex
VI
and the previous MARPOL Annex VI.
6 This circular revokes MEPC.1/Circ.795/Rev.5.