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 While the use of the Royal Prerogative for national security reasons is considered outside the scope of the courts, most other uses of the Prerogative are now judicially reviewable in some form. The GCHQ case also confirmed that non-legal conventions might be subject to "legitimate expectation". A convention would not have usually been litigible, and it was necessary for the court to demonstrate that it was in the present case: such a rule had been established in respect of Cabinet conventions in "Attorney General v Jonathan Cape Ltd". Although the court ruled against the union, it was accepted that the