And be it enacted, That any Two Justices of the Peace having Jurisdiction within the Metropolitan Police District shall have, while sitting together publicly in the Court or Room used for holding Special or Petty Sessions of the Peace in any Part of the said District within the Limits of their Commission, except in the Divisions to be assigned to the Police Courts already established, and any Two Justices of the Peace for the City of London and the Liberties thereof, having Jurisdiction within the City of London and the Liberties thereof, shall within the said City of London and the Liberties thereof have all the Powers, Privileges, and Duties which any One Magistrate of the said Police Courts has while sitting in one of the said Courts by the Two recited Acts of the last Session of Parliament or either of them : Provided always, that whenever a new Police Court shall have been established within the Metropolitan Police District, and a Division assigned to such Court as aforesaid, such Justices shall not act in that Division, in the Execution of the Two said Acts or either of them, elsewhere than at such Court; and that at every Police Court at which the regular Attendance of a Police Magistrate shall have been ordered by Her Majesty as herein-before provided the Police Magistrate while present in such Court shall act as the sole Magistrate thereof.