10.4.1 Water ballast shall not in general be carried
in tanks intended for oil fuel. In craft in which it is not practicable
to avoid putting water in oil fuel tanks, oily-water separating equipment
shall be fitted, or other alternative means such as discharge to shore
facilities shall be provided for disposing of the oily-water ballast.
The provisions of this paragraph are without prejudice to the provisions
of the International Convention for the Prevention of Pollution from
Ships in force.
10.4.2 Where a fuel-transfer system is used for
ballast purposes, the system shall be isolated from any water ballast
system and meet the requirements for fuel systems and the International
Convention for the Prevention of Pollution from Ships in force.