# Directive 2009/45/EC of the European Parliament and of the Council of 6 May 2009 on safety rules and standards for passenger ships (Recast) (Text with EEA relevance), Division: NEW CLASS B, C AND D AND EXISTING CLASS B SHIPS:

Extent: E+W+S+N.I.

Every ship shall be subdivided by bulkheads, which shall be watertight up to the bulkhead deck, into watertight compartments the maximum length of which shall be calculated according to the specific requirements given below.
Instead of those requirements, the Regulations on subdivision and stability of passenger ships as an equivalent to Part B of Chapter II of the International Convention for the Safety of Life at Sea, 1960, as given in IMO Resolution A.265(VIII) may be used, if applied in their entirety.
Every other portion of the internal structure which affects the efficiency of the subdivision of the ship shall be watertight.

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Source: https://www.legislation.gov.uk/eudr/2009/45/annex/I/chapter/2/part/B/part/2/division/2/division/1 (the official version)
Page: https://openlegislation.uk/eu-directive-2009-45/annex-I/chapter-2/part-B/part-2/division-2/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.