# The Simple Pressure Vessels (Safety) Regulations 2016, Regulation 4: Design and manufacture in accordance with essential safety requirements and sound engineering practice

Extent: E+W+S

(1) Before placing a category A vessel on the market, a manufacturer must ensure that the vessel has been designed and manufactured in accordance with the essential safety requirements.
(2) Before placing a category B vessel on the market, a manufacturer must ensure that the vessel has been designed and manufactured in accordance with sound engineering practice.

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Source: https://www.legislation.gov.uk/uksi/2016/1092/regulation/4 (the official version)
Page: https://openlegislation.uk/simple-pressure-vessels-safety-regulations-2016/regulation-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.