Regulations of MARPOL Annex I

Regulations for the Prevention of Pollution by Oil

  • It entered into force on 2 October 1983.
  • It covers the prevention of pollution from Oil from operational measures as well as from accidental discharges.
  • The 1992 amendments to Annex I made it mandatory for new oil tankers to have Double Hulls and brought in a phase-in schedule for existing tankers to fit double hulls, which was subsequently revised in 2001 and 2003.  


Chapter 1 - General

Regulation 1 - Definitions

Regulation 2 - Application

Regulation 3 - Exemptions and Waivers

Regulation 4 - Exceptions

Regulation 5 - Equivalents


Chapter 2 - Surveys and Certification (Harmonised Requirements)

Regulation 6 - Surveys (Harmonised Requirements)

Regulation 7 - Issue or Endorsement of the certificate (Harmonised Requirements) 

Regulation 8 - Issue or Endorsement of the certificate by another government (Harmonised Requirements) 

Regulation 9 - Form of the certificate (Harmonised Requirements) 

Regulation 10 - Duration and validity of the certificate (Harmonised Requirements)

Regulation 11 - Port state control on operational requirements (Harmonised Requirements)  


Chapter 3 - Requirements for Machinery spaces of All Ships

Part A - Construction

Regulation 12 - Tanks for Oil Residue (Sludge) (click here to know more)

Regulation 12A - Oil fuel tank protection

Regulation 13 - Standard discharge connection (click here to know more)


Part B - Equipment

Regulation 14 - Oil filtering equipment (click here to know more)


Part C - Control of Operational Discharge of Oil

Regulation 15 - Control of discharge of oil (click here to know more)

Regulation 16 - Segregation of oil and water ballast and carriage of oil in forepeak tanks

Regulation 17 - Oil Record Book, Part I - Machinery space operations (click here to know more)


Chapter 4 - Requirements for the Cargo Area of Oil Tankers

Part A - Construction

Regulation 18 - Segregated ballast Tanks (click here to know more)

Regulation 19 - Double Hull and double bottom requirements for oil tankers delivered on or after 6 July 1996

Regulation 20 - Double Hull and double bottom requirements for oil tankers delivered before 6 July 1996

Regulation 21 - Prevention of oil pollution from oil tankers carrying heavy-grade oil as cargo

Regulation 22 - Pump-room bottom protection (click here to know more)

Regulation 23 - Accidental oil outflow performance

Regulation 24 - Damage assumptions

Regulation 25 -Hypothetical outflow of oil

Regulation 26 - Limitations of size and arrangement of cargo tanks

Regulation 27 - Intact Stability

Regulation 28 - Subdivision and damage stability

Regulation 29 - Slop Tanks (click here to know more)

Regulation 30 - Pumping, piping and discharge arrangement


Part B - Equipment

Regulation 31 - Oil Discharge Monitoring and Control system (click here to know more)

Regulation 32 - Oil/water interface detector (click here to know more)

Regulation 33 - Crude oil washing requirements (click here to know more)


Part C - Control of Operational Discharge of Oil

Regulation 34 - Control of discharge of oil (click here to know more)

Regulation 35 - Crude oil washing requirements (Click here to know more)

Regulation 36 - Oil Record Book, Part II - Cargo/ballast Operations (click here to know more)


Chapter 5 - Prevention of Pollution Arising from an Oil Pollution Incident

Regulation 37 - Shipboard oil pollution emergency plan (click here to know more)


Chapter 6 - Reception Facilities

Regulation 38 - Reception Facilities (click here to know more)


Chapter 7 - Special Requirements for Fixed or Floating Platform

Regulation 39 - Special Requirements for Fixed or Floating Platform (click here to know more)


Chapter 8 - Prevention of Pollution During Transfer of Oil Cargo Between Oil Tankers at Sea

Regulation 40 - Scope of application (click here to know more)

Regulation 41 - General Rules on safety and environmental protection (click here to know more)

Regulation 42 - Notification (click here to know more)


Chapter 9 - Special Requirements for the use or Carriage of Oils in the Antarctic Area

Regulation 43 - Special Requirements for the use or Carriage of Oils in the Antarctic Area

Regulation 43A - Special Requirements for the use and carriage of oils as fuel in Arctic waters


Chapter 10 - Verification of Compliance with the provisions of this Convention

Regulation 44 - Application

Regulation 45 - Verification of Compliance


Chapter 11 - International Code for Ships Operating in Polar Waters

Regulation 46 - Definitions

Regulation 47 - Application and requirements


Reference: IMO Publications & Documents - International Conventions - MARPOL

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