# The Pressure Equipment (Safety) Regulations 2016, Paragraph 8


Where a vessel is composed of a number of chambers, it shall be classified in the highest category applicable to the individual changes. Where a chamber contains several fluids, classification shall be on the basis of the fluid which requires the highest category.

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Source: https://www.legislation.gov.uk/uksi/2016/1105/schedule/3/paragraph/8 (the official version)
Page: https://openlegislation.uk/pressure-equipment-safety-regulations-2016/schedule-3/paragraph-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.