Some permanent secretaries do not hold the position of permanent secretary, but still hold that grade. The Transparency of Lobbying, Non-Party Campaigning and Trade Union Administration Act 2014 explains that a permanent secretary, for the purposes of section 2 of that Act, is a person serving in government in any of the following positions: Permanent Secretary, Second Permanent Secretary, Cabinet Secretary, Chief Executive of Her Majesty's Revenue and Customs, Chief Medical Officer, Director of Public Prosecutions, First Parliamentary Counsel, Government Chief Scientific Adviser, Head of the Civil Service or Prime Minister's Adviser for Europe and Global Issues.