1 The Marine Environment Protection Committee, at its seventy-seventh session (22 to 26
November 2021), approved the 2021 Guidance on treatment of innovative energy
efficiency technologies for calculation and verification of the attained EEDI and
EEXI, as set out in the annex.
2 Member Governments are invited to bring the annexed Guidance to the attention of their
Administrations, industry, relevant shipping organizations, shipping companies and other
stakeholders concerned.
3 The Committee agreed to keep this Guidance under review in light of experience gained
in its application.
4 This circular supersedes MEPC.1/Circ.815.