The London Underground (Victoria Station Upgrade) Order 2009

36.  An amount which apart from this paragraph would be payable to the specified undertaker in respect of works by virtue of paragraphs 32 to 35 shall, if the works include the placing of apparatus provided in substitution for apparatus placed more than 7 years and 6 months earlier so as to confer on the specified undertaker any financial benefit by deferment of the time for renewal of the apparatus or of the system of which it forms part in the ordinary course, be reduced by the amount which represents that benefit as calculated in accordance with the Code of Practice entitled “Measures Necessary where Apparatus is Affected by Major Works (Diversionary Works)” and dated June 1992 and approved by the Secretary of State on 30th June 1992, as revised and re-issued from time to time.