Regulation 2 - Definitions
1 For the purpose of this Annex:
.1 Annex means Annex
VI to the International Convention for the Prevention of Pollution from
Ships, 1973 (MARPOL), as modified by the Protocol of 1978 relating
thereto, and as modified by the Protocol of 1997, as amended by the Organization,
provided that such amendments are adopted and brought into force in accordance
with the provisions of article 16 of the present Convention.
.2 A similar stage of construction means the stage at which:
.1 construction identifiable with a specific ship begins; and
.2 assembly of that ship has commenced comprising at least 50
tonnes or one per cent of the estimated mass of all structural material,
whichever is less.
.3 Anniversary date means the day and the month of each year
that will correspond to the date of expiry of the International Air Pollution
.4 Audit means a systematic, independent and documented process
for obtaining audit evidence and evaluating it objectively to determine the extent
to which audit criteria are fulfilled.
.5 Audit Scheme means the IMO Member State Audit Scheme
established by the Organization and taking into account the guidelines developed
by the Organization.footnote
.6 Audit Standard means the Code for Implementation.
.7 Auxiliary control device means a system, function or
control strategy installed on a marine diesel engine that is used to protect the
engine and/or its ancillary equipment against operating conditions that could
result in damage or failure, or that is used to facilitate the starting of the
engine. An auxiliary control device may also be a strategy or measure that has
been satisfactorily demonstrated not to be a defeat device.
.8 Code for Implementation means the IMO Instruments
Implementation Code (III Code) adopted by the Organization by resolution A.1070(28).
.9 Continuous feeding is defined as the process whereby waste
is fed into a combustion chamber without human assistance while the incinerator is
in normal operating conditions with the combustion chamber operative temperature
between 850°C and 1,200°C.
.10 Defeat device means a device that measures, senses or
responds to operating variables (e.g. engine speed, temperature, intake pressure
or any other parameter) for the purpose of activating, modulating, delaying or
deactivating the operation of any component or the function of the emission
control system such that the effectiveness of the emission control system is
reduced under conditions encountered during normal operation, unless the use of
such a device is substantially included in the applied emission certification test
.11 Electronic Record Book means a device or system, approved
by the Administration, used to electronically record the required entries for
discharges, transfers and other operations as required under this Annex in lieu of
a hard copy record book.footnote
.12 Emission means any release of substances, subject to
control by this Annex, from ships into the atmosphere or sea.
.13 Emission control area means an area where the adoption of
special mandatory measures for emissions from ships is required to prevent, reduce
and control air pollution from NOx or SOx and particulate
matter or all three types of emissions and their attendant adverse impacts on
human health and the environment. Emission control areas shall include those
listed in, or designated under, regulations 13 and 14 of this Annex.
.14 Fuel oil means any fuel delivered to and intended for
combustion purposes for propulsion or operation on board a ship, including gas,
distillate and residual fuels.
.15 Gross tonnage means the gross tonnage calculated in
accordance with the tonnage measurement regulations contained in Annex
I to the International Convention on Tonnage Measurements of Ships,
1969, or any successor Convention.
.16 In-use sample means a sample of fuel oil in use on a ship.
.17 Installations in relation to regulation
12 of this Annex means the installation of systems, equipment, including
portable fire-extinguishing units, insulation, or other material on a ship, but
excludes the repair or recharge of previously installed systems, equipment,
insulation or other material, or the recharge of portable fire-extinguishing
.18 Installed means a marine diesel engine that is or is
intended to be fitted on a ship, including a portable auxiliary marine diesel
engine, only if its fuelling, cooling or exhaust system is an integral part of the
ship. A fuelling system is considered integral to the ship only if it is
permanently affixed to the ship. This definition includes a marine diesel engine
that is used to supplement or augment the installed power capacity of the ship and
is intended to be an integral part of the ship.
.19 Irrational emission control strategy means any strategy or
measure that, when the ship is operated under normal conditions of use, reduces
the effectiveness of an emission control system to a level below that expected on
the applicable emission test procedures.
.20 Low-flashpoint fuel means gaseous or liquid fuel oil having
a flashpoint lower than otherwise permitted under paragraph 2.1.1 of regulation 4 of chapter
II-2 of the International Convention for the Safety of Life at Sea (SOLAS), 1974,
.21 Marine diesel engine means any reciprocating internal
combustion engine operating on liquid or dual fuel, to which regulation 13 of this Annex applies, including booster/compound systems
if applied. In addition, a gas-fuelled engine installed on a ship constructed on
or after 1 March 2016 or a gas-fuelled additional or non-identical replacement
engine installed on or after that date is also considered as a marine diesel
.22 MARPOL delivered sample means the sample of fuel oil
delivered in accordance with regulation 18.8.1 of this Annex.
.23 NOx Technical Code
means the Technical Code on Control of Emission of Nitrogen Oxides from Marine
Diesel Engines adopted by resolution 2 of the 1997 MARPOL Conference, as amended
by the Organization, provided that such amendments are adopted and brought into
force in accordance with the provisions of article 16
of the present Convention.
.24 Onboard sample means a sample of fuel oil intended to be
used or carried for use on board that ship.
.25 Ozone-depleting substances means controlled substances
defined in paragraph (4) of article 1 of the Montreal Protocol on Substances that
Deplete the Ozone Layer, 1987, listed in Annexes A, B, C or E to the said Protocol
in force at the time of application or interpretation of this Annex.
Ozone-depleting substances that may be found on board ship include,
but are not limited to:
Halon 1211 Bromochlorodifluoromethane
Halon 1301 Bromotrifluoromethane
Halon 2402 1,2-Dibromo-1,1,2,2-tetraflouroethane (also known as
26 Shipboard incineration means the incineration of wastes or
other matter on board a ship, if such wastes or other matter were generated during
the normal operation of that ship.
.27 Shipboard incinerator means a shipboard facility designed
for the primary purpose of incineration.
.28 Ships constructed means ships the keels of which are laid
or that are at a similar stage of construction.
.29 Sludge oil means sludge from the fuel oil or lubricating
oil separators, waste lubricating oil from main or auxiliary machinery, or waste
oil from bilge water separators, oil filtering equipment or drip trays.
.30 Sulphur content of fuel oil means the concentration of
sulphur in a fuel oil, measured in % m/m as tested in accordance with a standard
acceptable to the Organization.footnote
.31 Tanker in relation to regulation
15 of this Annex means an oil tanker as defined in regulation
1 of Annex I of the present Convention or a chemical tanker as defined
1 of Annex II of the present Convention.
.32 Unmanned non-self-propelled (UNSP) barge means a barge
.1 is not propelled by mechanical means;
.2 has no system, equipment and/or machinery fitted that may
generate emissions regulated by this Annex; and
.3 has neither persons nor living animals on board.
2 For the purpose of chapter
.1 A ship delivered on or after 1 September 2019 means a ship:
.1 for which the building contract is placed on or after 1
September 2015; or
.2 in the absence of a building contract, the keel of which is
laid, or which is at a similar stage of construction, on or after 1 March
.3 the delivery of which is on or after 1 September 2019.
.2 Attained annual operational CII is the operational carbon
intensity indicator value achieved by an individual ship in accordance with regulations 26 and 28 of this Annex.
.3 Attained EEDI is the EEDI value achieved by an individual
ship in accordance with regulation 22 of this Annex.
.4 Attained EEXI is the EEXI value achieved by an individual
ship in accordance with regulation 23 of this Annex.
.5 Bulk carrier means a ship which is intended primarily to
carry dry cargo in bulk, including such types as ore carriers as defined in regulation 1 of chapter XII of the International Convention for the
Safety of Life at Sea (SOLAS), 1974, (as amended) but excluding combination
.6 Calendar year means the period from 1 January until 31
.7 Combination carrier means a ship designed to load 100%
deadweight with both liquid and dry cargo in bulk.
.8 Company means the owner of the ship or any other
organization or person such as the manager, or the bareboat charterer, who has
assumed the responsibility for operation of the ship from the owner of the ship
and who on assuming such responsibility has agreed to take over all the duties and
responsibilities imposed by the International
Management Code for the Safe Operation of Ships and for Pollution
Prevention, as amended.
.9 Containership means a ship designed exclusively for the
carriage of containers in holds and on deck.
.10 Conventional propulsion in relation to chapter 4 means a method of propulsion where a main reciprocating
internal combustion engine(s) is the prime mover and coupled to a propulsion shaft
either directly or through a gear box.
.11 Cruise passenger ship in relation to chapter 4 means a passenger ship not having a cargo deck, designed
exclusively for commercial transportation of passengers in overnight
accommodations on a sea voyage.
.12 Distance travelled means distance travelled over ground.
.13 Existing ship means a ship which is not a new ship.
.14 Gas carrier in relation to chapter 4 means a cargo ship, other than an LNG carrier as defined in
paragraph 2.16 of this regulation, constructed or adapted and used for the
carriage in bulk of any liquefied gas.
.15 General cargo ship means a ship with a multi-deck or single
deck hull designed primarily for the carriage of general cargo. This definition
excludes specialized dry cargo ships, which are not included in the calculation of
reference lines for general cargo ships, namely livestock carrier, barge carrier,
heavy load carrier, yacht carrier, nuclear fuel carrier.
.16 LNG carrier in relation to chapter 4 of this Annex means a cargo ship constructed or adapted and
used for the carriage in bulk of liquefied natural gas (LNG).
.17 Major conversion means in relation to chapter 4 of this Annex a conversion of a ship:
.1 which substantially alters the dimensions, carrying capacity
or engine power of the ship; or
.2 which changes the type of the ship; or
.3 the intent of which in the opinion of the Administration is
substantially to prolong the life of the ship; or
.4 which otherwise so alters the ship that, if it were a new
ship, it would become subject to relevant provisions of the present
Convention not applicable to it as an existing ship; or
.5 which substantially alters the energy efficiency of the ship
and includes any modifications that could cause the ship to exceed the
applicable required EEDI as set out in regulation
24 of this Annex or the applicable required EEXI as set out in
regulation 25 of this Annex.
.18 New ship means a ship:
.1 for which the building contract is placed on or after 1
January 2013; or
.2 in the absence of a building contract, the keel of which is
laid or which is at a similar stage of construction on or after 1 July 2013;
.3 the delivery of which is on or after 1 July 2015.
.19 Non-conventional propulsion in relation to chapter 4 of this Annex means a method of propulsion, other than
conventional propulsion, including diesel-electric propulsion, turbine propulsion,
and hybrid propulsion systems.
.20 Passenger ship means a ship which carries more than 12
.21 Polar Code
means the International Code for Ships Operating in Polar Waters, consisting
of an introduction, parts I-A and II-A and parts I-B and II-B, adopted by
resolutions MSC.385(94) and MEPC.264(68), as may be amended, provided that:
.1 amendments to the environment-related provisions of the
introduction and chapter 1 of part II-A of the Polar Code
are adopted, brought into force and take effect in accordance with the
provisions of article 16 of the present Convention concerning the
amendment procedures applicable to an appendix to an annex; and
.2 amendments to part II-B of the Polar Code are adopted by the Marine
Environment Protection Committee in accordance with its Rules of Procedure.
.22 Refrigerated cargo carrier means a ship designed
exclusively for the carriage of refrigerated cargoes in holds.
.23 Required annual operational CII is the target value of
attained annual operational CII in accordance with regulations
26 and 28 of this Annex for the specific ship type and size.
.24 Required EEDI is the maximum value of attained EEDI that is
allowed by regulation 24 of this Annex for the specific ship type and size.
.25 Required EEXI is the maximum value of attained EEXI that
is allowed by regulation 25 of this Annex for the specific ship type and size.
.26 Ro-ro cargo ship means a ship designed for the carriage of
roll-on-roll-off cargo transportation units.
.27 Ro-ro cargo ship (vehicle carrier) means a multi-deck
roll-on-roll-off cargo ship designed for the carriage of empty cars and trucks.
.28 Ro-ro passenger ship means a passenger ship with
roll-on-roll-off cargo spaces.
.29 Tanker means an oil tanker as defined in regulation
1 of Annex I of the present Convention or a chemical tanker or an NLS
tanker as defined in regulation 1 of Annex II of the present Convention.