IMO MEPC 84: Revisiting The Net Zero Framework in International Shipping News 06/05/2026 The 84th session of the IMO’s Marine Environment Protection Committee (MEPC 84) held extensive discussions on the Net-Zero Framework (NZF). This was the first opportunity to do so following the adjournment of the extraordinary session in October 2025. Although there were divergent positions on key elements such as establishing a fund, MEPC 84 agreed to continue discussions on a revised framework to ensure consensus. MEPC 84 also progressed on key technical guidelines supporting the NZF. As part of the review of the Ballast Water Management (BWM) framework, amendments to the BWM Convention were approved, strengthening survey and other mandatory requirements. TECHNICAL AND REGULATORY NEWS Adoption of amendments to mandatory instruments MEPC 84 adopted amendments to MARPOL Annex VI designating the North-East Atlantic as an Emission Control Area (ECA) for SOx, PM and NOx. This ECA covers the Exclusive Economic Zones (EEZs) and territorial seas of Greenland, Iceland, the Faroe Islands, Ireland, the UK, France, Spain and Portugal. The amendments also include clarification of DCS data reporting and data accessibility, and the use of multiple engine operational profiles for a marine diesel engine. The amendments will enter into force on 1 September 2027, with the 0.10% sulphur limit taking effect 12 months later. The requirement for NOx Tier III engine certification will apply to ships contracted on or after 1 January 2027, or in the absence of a building contract, constructed (keel-laid) on or after 1 July 2027, or delivered on or after 1 January 2031. Harmful aquatic organisms in ballast water Approved revisions to the BWM Convention MEPC 84 approved amendments to the Ballast Water Management (BWM) Convention strengthening survey and other mandatory requirements. The revised provisions enhance Regulation E 1 by introducing annual sampling of residual active substances, where applicabl