# Commission Regulation (EU) No 406/2010 of 26 April 2010 implementing Regulation (EC) No 79/2009 of the European Parliament and of the Council on type-approval of hydrogen-powered motor vehicles (Text with EEA relevance), Division 3.7.2.3: Auto-frettage


Auto-frettage, if used, shall be carried out before the hydraulic test. The auto-frettage pressure shall be within the limits established by the manufacturer.

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Source: https://www.legislation.gov.uk/eur/2010/406/annex/IV/part/2/division/3/division/3.7/division/3.7.2/division/3.7.2.3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2010-406/annex-IV/part-2/division-3/division-3.7/division-3.7.2/division-3.7.2.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.