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§ 155.470 Prohibited spaces.
(a) In a ship of 400 gross tons and above, for which the building contract is placed after January 1, 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 July 1, 1982, oil or hazardous material must not be carried in a forepeak tank or a tank forward of the collision bulkhead.
(b) A self-propelled ship of 300 gross tons and above, to which paragraph (a) of this section does not apply, may not carry bulk oil or hazardous material in any space forward of a collision bulkhead except:
(1) For a ship constructed after June 30, 1974, fuel oil for use on the ship may be carried in tanks forward of a collision bulkhead, if such tanks are at least 24 inches inboard of the hull structure; or
(2) For a ship constructed before July 1, 1974, fuel oil for use on the ship may be carried in tanks forward of a collision bulkhead, if such tanks were designated, installed, or constructed for fuel oil carriage before July 1, 1974.