In London four ale-conners, whose duty it is to examine the measures used by beer and liquor sellers to guard against fraud, are still chosen annually by the liverymen in common hall assembled on Midsummer Day.
The Common Hall was the successor of the folkmote, the meetings of which were originally held in the open air at the east end of St Paul's and afterwards in the Guildhall.
Various alterations were subsequently made and now the qualification of electors at the election of the corporate offices of lord mayor, sheriffs, chamberlain and minor offices in Common Hall is that of being a liveryman of a livery company and an enrolled freeman of London.
The Lord Mayor (q.v.) is elected by the Court of Aldermen from two aldermen nominated in the Court of Common Hall by the Livery, an electorate drawn from the members of the ancient trade gilds or Livery Companies (q.v.), which, through their control over the several trades or manufactures, had formerly an influence over the government of the city which from the time of Edward III.