# The Simple Pressure Vessels (Safety) Regulations 2016, Paragraph 3


For steel vessels, the material must in addition meet the requirements set out in paragraph 5 and, for aluminium or aluminium alloy vessels, those set out in paragraph 6.

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Source: https://www.legislation.gov.uk/uksi/2016/1092/schedule/1/paragraph/3 (the official version)
Page: https://openlegislation.uk/simple-pressure-vessels-safety-regulations-2016/schedule-1/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.