 The 1958 legislation removed the Director General of the Ordnance Survey from each commission, and in each case appointed a judge to be deputy chairman.It also modified the definition of the term "electoral quota" so that in future the total electorate of each part of Great Britain (England, Scotland and Wales) was to have a different quota, calculated by dividing by the number of constituencies then in existence.A new procedure was established, forcing a local inquiry to be held where there were large numbers of objections to changes.