a) This entry applies to engines or machinery, powered by fuels classified as dangerous goods via internal combustion systems or fuel cells (e.g. combustion engines, generators, compressors, turbines, heating units).

b) Engines and machinery containing fuels meeting the classification criteria of Class 3, must be consigned under the entries UN 3528 - Engine, internal combustion, flammable liquid powered or UN 3528 - Engine, fuel cell, flammable liquid powered or UN 3528 - Machinery, internal combustion, flammable liquid powered or UN 3528 - Machinery, fuel cell, flammable liquid powered, as appropriate.

c) Engines and machinery containing fuels meeting the classification criteria of Division 2.1, must be consigned under the entries UN 3529 - Engine, internal combustion, flammable gas powered or UN 3529 - Engine, fuel cell, flammable gas powered or UN 3529 - Machinery, internal combustion, flammable gas powered or UN 3529 - Machinery, fuel cell, flammable gas powered, as appropriate.

Engines and machinery powered by both a flammable gas and a flammable liquid must be consigned under the appropriate UN 3529 entry.

d) Engines and machinery containing liquid fuels meeting the classification criteria for environmentally hazardous substances and not meeting the classification criteria of any other class or division, must be consigned under the entries UN 3530 - Engine, internal combustion or UN 3530 - Machinery, internal combustion, as appropriate.