# Regulation (EU) No 305/2011 of the European Parliament and of the Council of 9 March 2011 laying down harmonised conditions for the marketing of construction products and repealing Council Directive 89/106/EEC (Text with EEA relevance), Article 28: Assessment and verification of constancy of performance

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

1. Assessment and verification of constancy of performance of construction products in relation to their essential characteristics shall be carried out in accordance with one of the systems set out in Annex V.
2. By means of regulations in accordance with Article 60, the Secretary of State may establish and may revise, taking into account in particular the effect on the health and safety of people, and on the environment, which system or systems are applicable to a given construction product or family of construction products or a given essential characteristic. ...
The Secretary of State shall choose the least onerous system or systems consistent with the fulfilment of all basic requirements for construction works.
3. The system or systems thus determined shall be indicated in the standardisation mandates, standards prepared under Article 18A, and UK Assessment Documents.

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Source: https://www.legislation.gov.uk/eur/2011/305/article/28 (the official version)
Page: https://openlegislation.uk/eu-regulation-2011-305/article-28
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.