The annex of this document has been consolidated into resolution MEPC.291(71)
RECALLING Article 38(a) of the Convention on the International Maritime Organization
concerning the functions of the Marine Environment Protection Committee (the Committee)
conferred upon it by international conventions for the prevention and control of marine
pollution from ships,
RECALLING ALSO that, at its fifty-eighth session, it adopted, by resolution MEPC.176(58), a revised MARPOL Annex
VI (hereinafter "MARPOL Annex VI") and, by resolution MEPC.177(58), a revised Technical Code on Control of Emission of
Nitrogen Oxides from Marine Diesel Engines (hereinafter "NOX Technical Code 2008"),
NOTING regulation
13 of MARPOL Annex VI which makes the NOX Technical Code 2008 mandatory under that Annex,
NOTING ALSO that the use of NOX-reducing devices is envisaged in the NOX Technical Code 2008 and that selective catalytic
reduction systems (hereinafter referred to as "SCR systems") are such
NOX-reducing devices for compliance with the Tier III NOX limit,
NOTING FURTHER that, at its sixty-second session, it adopted, by resolution MEPC.198(62), the 2011 Guidelines addressing additional
aspects to the NOX Technical Code 2008 with regard
to particular requirements related to marine diesel engines fitted with Selective
Catalytic Reduction (SCR) Systems, and, at its sixty-eighth session, by
resolution MEPC.260(68), amendments thereto,
NOTING FURTHER that, at its seventy-first session, it adopted, by resolution MEPC.291(71), the 2017 Guidelines addressing additional
aspects to the NOX Technical Code 2008 with regard
to particular requirements related to marine diesel engines fitted with Selective
Catalytic Reduction (SCR) Systems (hereinafter "the 2017 Guidelines"),
RECOGNIZING the need to update the 2017 Guidelines in line with the amendments to the
NOX Technical Code 2008, adopted by the Committee, at
its seventy-fourth session, by resolution MEPC.317(74),
HAVING CONSIDERED, at its seventy-fourth session, draft amendments to the 2017
Guidelines, prepared by the Sub-Committee on Pollution Prevention and Response, at its
fifth session,
1 ADOPTS amendments to the 2017 Guidelines addressing additional aspects to the NOX Technical Code 2008 with regard to particular
requirements related to marine diesel engines fitted with Selective Catalytic
Reduction (SCR) Systems, as set out in the annex to the present resolution;
2 INVITES Administrations to take the aforementioned amendments into account when
certifying engines fitted with SCR systems;
3 REQUESTS Parties to MARPOL Annex
VI and other Member Governments to bring the amendments to the attention of
shipowners, ship operators, shipbuilders, marine diesel engine manufacturers and any
other interested parties;
4 AGREES to keep these Guidelines, as amended, under review, in light of experience
gained with their application.