The relevant British court cases with regard to this matter are as follows:
·     R v Portsmouth City Council;
·     R v London Borough of Tower Hamlets;
·     Harmon CFEM Facades (UK) Ltd v The Corporate Officer of the House of Commons;
·     Resource Management Services v Westminster City Council;
·     Clyde Solway Consortium v The Scottish Ministers;
There are also numerous relevant EU cases, which are as follows:
·     C-87/94, Commission of the European Communities v Kingdom of Belgium;
·     Case C-225/98, Commission v French Republic;
·     Case C-19/00, SIAC Construction v County Council of the County of Mayo;
·     Case C-513/99 Concordia Bus Finland v Helsinki.