Chancellor of the Duchy of Lancaster January 2018. The previous holder of the post was Patrick McLoughlin who was given the post following Theresa May's appointment as Prime Minister. Before this the holder of the post was Oliver Letwin, who was appointed in July 2014 when he was also Minister for Government Policy (2010–2015); following the 2015 general election, he was also given overall responsibility for the Cabinet Office and made a full member of the Cabinet. Chancellor of the Duchy of Lancaster The Chancellor of the Duchy of Lancaster is a ministerial office in the Government of the United Kingdom that includes as part of
Council of Civil Service Unions v Minister for the Civil Service Council of Civil Service Unions v Minister for the Civil Service Council of Civil Service Unions v Minister for the Civil Service [1984] UKHL 9, or the "GCHQ case", is a UK constitutional law and UK labour law case that held the Royal Prerogative was subject to judicial review. In 1984, the government of Margaret Thatcher banned employees of the Government Communications Headquarters (GCHQ) from joining any trade union for "national security" reasons by an Order in Council using the Royal Prerogative. The Council of Civil Service Unions claimed in judicial review that defeated their legitimate expectations, to collectively bargain