“A member state was required to make legislative provision that, where a tenderer offered an abnormally low price in the course of a public procurement process pursuant to Directive 2004/18/EC, the contracting authority was obliged, pursuant to article 55 of the Directive, to ask the tenderer in writing to clarify its price proposal.”
WLR Daily, 29th March 2012
Source: www.iclr.co.uk