Global Shipping Regulation Overview

MARPOL Annex VI — Sulphur Cap

Global 0.50% sulphur limit on marine fuel since Jan 2020. ECAs require 0.10%. Compliance via compliant fuel, scrubbers, or alternative fuels.

CII — Carbon Intensity Indicator

Annual operational carbon intensity rating (A–E) for vessels 5,000 GT+. D or E for three consecutive years triggers a corrective action plan. Ratings directly affect charterability.

EEXI — Energy Efficiency Existing Ship Index

One-time technical energy efficiency measure for vessels 400 GT+. Certified at first annual survey after Jan 2023. Non-compliant ships must reduce shaft power or improve efficiency.

IMO GHG Strategy 2023

Net-zero GHG from shipping by or around 2050. Checkpoints: 20–30% reduction by 2030 and 70–80% by 2040 vs 2008 baseline. Mid-term measures (fuel standard + pricing) expected 2027.

BWM Convention — D-2 Standard

Ships must treat ballast water to D-2 performance standards before discharge, preventing transfer of invasive aquatic species. Ballast water management systems now mandatory across the fleet.

EU ETS — Emissions Trading System

Ships 5,000 GT+ calling EU ports must surrender EU Allowances for CO₂. Phase-in: 40% in 2024, 70% in 2025, 100% from 2026. Non-compliance triggers port expulsion after two consecutive failures.

FuelEU Maritime

Sets maximum GHG intensity for energy used on board ships 5,000 GT+ on EU routes. First compliance period from 2025. Intensity limits tighten every 5 years to 2050. Banking and pooling mechanisms apply.

EU MRV — Monitoring, Reporting, Verification

Mandatory annual CO₂ monitoring and reporting for ships 5,000 GT+ calling EU/EEA ports. Underpins EU ETS compliance and CII. Verified by accredited verifiers; Document of Compliance issued annually.

USCG Port State Control

US Coast Guard inspects foreign vessels at US ports. Targets vessels by risk flag, flag state performance, deficiency history, and vessel age. Detention creates significant commercial exposure.

CARB At-Berth Regulation

California requires container, cruise, and reefer vessels to use shore power or equivalent emission reduction while at berth in California ports. Phased applicability by vessel class and port.

VIDA — Vessel Incidental Discharge Act

Federal framework governing incidental discharges. EPA and USCG developing final VIDA national standards to replace the Vessel General Permit (VGP) regime once finalised.

UK ETS — Emissions Trading Scheme

UK domestic ETS extended to domestic maritime from 2026. International shipping obligations under consultation, aligned with post-Brexit divergence from EU ETS. MCA administers compliance.

MCA Port State Control

Maritime and Coastguard Agency operates UK PSC inspections under Paris MOU framework post-Brexit. UK maintains alignment with Paris MOU targeting and inspection standards. Detentions flagged across all MOU databases.

China Domestic ECA

Domestic ECAs covering Bohai Rim, Yangtze River Delta, Pearl River Delta, and Hainan waters require 0.10% sulphur fuel. MSA enforcement at Chinese ports has increased significantly since 2019.

China Green Ship Incentives

Ministry of Transport incentives for LNG-fuelled vessels including port fee reductions and priority berthing. China is the world's largest shipbuilding nation and actively shapes fleet transition through newbuilding subsidies.

MPA Singapore — Green Shipping Programme

Port dues rebates for vessels using LNG, methanol, hydrogen, and ammonia. Singapore is the world's largest bunkering port and is positioning as a hub for alternative marine fuel supply.

Japan GHG Reduction Roadmap

Japan targets zero-emission vessels at 50% of new domestic orders by 2028 and is a major proponent of ammonia as a zero-emission shipping fuel at the IMO level.

Tokyo MOU Port State Control

21 member authorities in Asia-Pacific. Annual concentrated inspection campaigns target specific deficiency areas. Tokyo MOU history is a primary factor in charterer vetting and P&I club assessments.

Transport Canada PSC & MARPOL Enforcement

Transport Canada enforces MARPOL and SOLAS at Canadian ports. Operates within Paris MOU (Atlantic) and Tokyo MOU (Pacific), enabling coordinated targeting with international partners.

Arctic Shipping Safety & Pollution Prevention

Canada's AWPPA regulations implement and exceed the IMO Polar Code for vessels in Canadian Arctic waters. HFO restrictions align with IMO ban timelines. Ice class and icebreaker escort requirements apply.

AMSA Port State Control

Australian Maritime Safety Authority operates one of the most rigorous PSC regimes globally. Australia has historically had a high detention rate relative to vessel calls and is a Tokyo MOU member.

Biosecurity Act — Ballast Water

Australia's Biosecurity Act 2015 imposes ballast water requirements that exceed the IMO D-2 standard in some scenarios — among the strictest in the world.