1.1.1 The purpose of this Technical Code on Control
of Emission of Nitrogen Oxides from Marine Diesel Engines, hereunder
referred to as the Code, is to specify the requirements for the testing,
survey and certification of marine diesel engines to ensure they comply
with the nitrogen oxides (NOx) emission limits of regulation 13 of Annex VI. All references
to regulations within this Code refer to Annex VI.