Regulation of MARPOL Annex VI

Regulations for the Prevention of Air Pollution from ships



  • It entered into force on 19 May 2005
  • It sets the limit on SOx and NOx emissions from the ship's exhaust and prohibits the emissions of Ozone Depleting Substances.
  • A chapter adopted in 2011 covers the mandatory technical and operational energy efficiency measures aimed at reducing Greenhouse gas emissions from the ship.
  • It covers the collection and reporting of Ship's Fuel Oil Consumption data and promotion of technical cooperation and transfer of technology relating to the improvement of energy efficiency of Ships 

Chapter 1 - General

Regulation 1 - Application

Regulation 2 - Definitions

Regulation 3 - Exceptions and Exemptions

Regulation 4 - Equivalents


Chapter 2 - Survey, Certification, and Means of Control

Regulation 5 - Surveys

Regulation 6 - Issue or Endorsement of Certificate and Statements of Compliance Related to Fuel oil Consumption Reporting and operational carbon intensity rating 

Regulation 7 - Issue of a Certificate by another Party 

Regulation 8 - Form of Certificate and Statements of Compliance Related to Fuel oil Consumption Reporting and operational carbon intensity rating.

Regulation 9 - Duration and Validity of Certificates and Statements of Compliance Related to Fuel Oil Consumption Reporting and operational carbon intensity rating

Regulation 10 - Port State Control on Operational Requirements

Regulation 11 - Detection of Violations and Enforcement


Chapter 3 - Requirements for control of Emissions from ships

Regulation 12 - Ozone-depleting Substances (click here to know more)

Regulation 13 - Nitrogen Oxides (NOx) (click here to know more)

Regulation 14 - Sulphur Oxides (SOx) and Particulate Matter (click here to know more)

Regulation 15 - Volatile Organic Compounds (VOCs) (click here to know more)

Regulation 16 - Shipboard Incineration (click here to know more)

Regulation 17 - Reception Facilities

Regulation 18 - Fuel oil Availability and Quality


Chapter 4 - Regulations on Energy Efficiency from ships

Regulation 19 - Application

Regulation 20 - Goal

Regulation 21 - Functional Requirements

Regulation 22 - Attained Energy Efficiency Design Index (Attained EEDI)

Regulation 23 - Attained Energy Efficiency Existing Ship Index (Attained EEXI)

Regulation 24 - Required EEDI

Regulation 25 - Required EEXI

Regulation 26 - Ship Energy Efficiency Management Plan (SEEMP)

Regulation 27 - Collection and Reporting of Ship Fuel Oil Consumption Data 

Regulation 28 - Operational Carbon Intensity

Regulation 29 - Promotion of technical cooperation and transfer of technology relating to the improvement of energy efficiency of ships


Chapter 5 - Verification of compliance with the provisions of this Annex

Regulation 30 - Application

Regulation 31 - Verification of Compliance


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Reference: IMO Publications & Documents - International Conventions - MARPOL

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