Prime Minister of the United Kingdom official recognition given to the office had only been in the Treaty of Berlin in 1878, when Disraeli signed as "First Lord of the Treasury and Prime Minister of her Britannic Majesty". It wasn't until 7 years later, in 1885, did the official records entrench the institution of Prime Minister, using "Prime Minister" at the list of Government ministers printed in Hansard. Incumbents had no statutory authority in their own right. As late as 1904, Arthur Balfour explained the status of his office in a speech at Haddington: "The Prime Minister has no salary as Prime Minister. He has no
Prime minister of the President of the Executive Yuan. The United Kingdom's constitution, being uncodified and largely unwritten, makes no mention of a prime minister. Though it had "de facto" existed for centuries, its first mention in official state documents did not occur until the first decade of the twentieth century. Accordingly, it is often said "not to exist", indeed there are several instances of parliament declaring this to be the case. The prime minister sits in the cabinet solely by virtue of occupying another office, either First Lord of the Treasury (office in commission), or more rarely Chancellor of the Exchequer