RECALLING Article 38(a) of the Convention on the International Maritime Organization
concerning the functions of the Marine Environment Protection 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 (hereinafter
"the 2011 Guidelines"), and, at its sixty-eighth session, by resolution MEPC.260(68),
amendments thereto,
RECOGNIZING the need to update the 2011 Guidelines in line with latest developments,
HAVING CONSIDERED, at its seventy-first session, a draft revision of the 2011 Guidelines,
prepared by the Sub-Committee on Pollution Prevention and Response, at its fourth
session,
1 ADOPTS 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 at annex to the present resolution;
2 INVITES Administrations to take the annexed Guidelines into account when certifying
engines fitted with SCR systems;
3 REQUESTS Parties to MARPOL Annex VI and other Member Governments to bring the annexed
Guidelines to the attention of shipowners, ship operators, shipbuilders, marine diesel
engine manufacturers and any other interested parties;
4 AGREES to keep these Guidelines under review in light of experience gained with their
application;
5 SUPERSEDES the 2011 Guidelines, adopted by resolution MEPC.198(62) and amended by
resolution MEPC.260(68).