# 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.

The definite assumptions referred to in Regulation 3 relate to the permeability of the spaces below the margin line.
In determining the floodable length, the assumed average permeability of the spaces below the margin line shall be as indicated in the table in Regulation 8.3.

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Source: https://www.legislation.gov.uk/eudr/2009/45/annex/I/chapter/2/part/B/part/2/division/5/division/1 (the official version)
Page: https://openlegislation.uk/eu-directive-2009-45/annex-I/chapter-2/part-B/part-2/division-5/division-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.