31Certain large boroughs named in the schedule to be county boroughs.
Each of the boroughs named in the Third Schedule to this Act being a borough which on the first day of June one thousand eight hundred and eighty-eight, either had a population of not less than fifty thousand, or was a county of itself shall, from and after the appointed day, be for the purposes of this Act an administrative county of itself, and is in this Act referred to as a county borough
Provided that for all other purposes a county borough shall continue to be part of the county (if any) in which it is situate at the passing of this Act, and if a separate commission of assize, oyer and terminer, or gaol delivery is not directed to be executed within the borough, the borough shall, for the purposes of any such commission, and of the service of jurors, and the making of jury lists, be part of the county in which it is specified in the said schedule to be deemed for the purposes of this Act to be situate.