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 United Kingdom of Prime Minister, and to the historic link between the Premiership and the office of First Lord of the Treasury, by providing in respect to that position and office a salary of ..." The Act made a distinction between the "position" (Prime Minister) and the "office" (First Lord of the Treasury), emphasising the unique political character of the former. Nevertheless, the brass plate on the door of the Prime Minister's home, 10 Downing Street, still bears the title of "First Lord of the Treasury", as it has since the 18th century as it is officially the home of the First