First Lord of the Treasury that office; in this case, the Second Lord of the Treasury usually served as Chancellor. As of 1841, the Chancellor of the Exchequer has always been Second Lord of the Treasury when he was not also Prime Minister. By convention, the other Lords Commissioners of the Treasury are also Government Whips in the House of Commons. 10 Downing Street is the official residence of the First Lord of the Treasury, and not of the Prime Minister. Chequers, a country house in Buckinghamshire, is the official country residence of the Prime Minister, used as a weekend and holiday home, although the
Deputy Prime Minister of Canada to their designated successor, without any interim prime minister. By contrast, during leadership contests for the official opposition party, the leader of the opposition has often (though not always) been occupied by an interim parliamentary leader. The opposition party's deputy leader (assuming that post is occupied) is often chosen for this role "unless" (s)he plans to run in the leadership election, in which case someone else would be chosen since it would be considered harmful to the election process if the interim leader was to be one of the candidates. Legally speaking, any "interim" Prime Minister appointed by the Governor