Lord Mayor of London been mandatory for election to the Lord Mayoralty. Two Sheriffs are selected annually by Common Hall, which meets on Midsummer's Day for this purpose. By an ordinance of 1435, the Lord Mayor must be chosen from amongst the Aldermen of the City of London. Those on the electoral roll of each of the City's 25 Wards select one Alderman, who formerly held office for life or until resignation. Now each Alderman must submit for re-election at least once in every six years. The Lord Mayor is then sworn in November, on the day before the Lord Mayor's Show ("see below").
Lord Mayor of London tradition by making Ian Luder a CBE, after his term of office in 2009, and the following year Nick Anstee declined offers of an honour. Furthermore, foreign Heads of State visiting the City of London on a UK State Visit, diplomatically bestow upon the Lord Mayor one of their suitable national honours. For example, in 2001, Sir David Howard was created a Grand Cordon (First Class) of the Order of Independence of Jordan by King Abdullah II. Recently Lord Mayors have been appointed at the beginning of their term of office Knights or Dames of St John, as a mark