1 Except as provided in paragraph 2 of this regulation, in ships delivered
after 31 December 1979, as defined in regulation 1.28.2, of 4,000 gross
tonnage and above other than oil tankers, and in oil tankers delivered after
31 December 1979, as defined in regulation 1.28.2, of 150 gross tonnage
and above, no ballast water shall be carried in any oil fuel tank.
2 Where the need to carry large quantities of oil fuel render it necessary
to carry ballast water which is not a clean ballast in any oil fuel tank, such
ballast water shall be discharged to reception facilities or into the sea in
compliance with regulation 15 of this Annex using the equipment specified
in regulation 14.2 of this Annex, and an entry shall be made in the Oil
Record Book to this effect.
3 In a ship of 400 gross tonnage and above, for which the building
contract is placed after 1 January 1982 or, in the absence of a building
contract, the keel of which is laid or which is at a similar stage of
construction after 1 July 1982, oil shall not be carried in a forepeak tank or a
tank forward of the collision bulkhead.
4 All ships other than those subject to paragraphs 1 and 3 of this
regulation shall comply with the provisions of those paragraphs as far as is
reasonable and practicable.