Deputy Prime Minister of the United Kingdom as to the absence of a formal post of Deputy Prime Minister in Britain's uncodified constitution. Theoretically the sovereign possesses the unrestricted right to choose someone to form a government following the death, resignation or dismissal of a Prime Minister. One argument made to justify the non-existence of a permanent deputy premiership is that such an office-holder would be seen as possessing a presumption of succession to the premiership, thereby effectively limiting the sovereign's right to choose a prime minister. However, only two Deputy Prime Ministers have gone on to become Prime Minister. Clement Attlee won the 1945 general election
Head of the Northern Ireland Civil Service Northern Ireland Executive, making the office-holder the "most senior adviser to the First Minister and the deputy First Minister". Head of the Northern Ireland Civil Service There has been a Head of the Northern Ireland Civil Service since Sir Ernest Clark was appointed the first holder of that office in 1921. As of 2017 and according to the Executive Office, the Head of the 23,500-people strong NICS "has primary leadership responsibility for creating, developing and sustaining the NICS as an organisation which serves the devolved administration, the institutions of government and the people of Northern Ireland through the provision of