http://www.legislation.gov.uk/uksi/2003/2563/signature/madeThe Pipelines Safety (Amendment) Regulations 2003Health and safety at workHealth and safety requirementsKing's Printer of Acts of Parliament2017-06-14HEALTH AND SAFETYSigned by authority of the Secretary of State for Work and Pensions.Des BrowneMinister of State,Department for Work and Pensions2nd October 2003