“An undertaking which had infringed article 101FEU of the FEU Treaty could not escape the imposition of a fine by a national competition authority on the ground that the infringement had resulted from that undertaking erring as to the lawfulness of its conduct on account of legal advice given by a lawyer or of the terms of a decision of a national competition authority.”
WLR Daily, 18th June 2013
Source: www.iclr.co.uk