XIPolice Constables to attend the Magistrates.
And be it enacted, That the said Commissioners of Police shall take care that a sufficient Number of Constables belonging to the Metropolitan Police Force shall be in attendance upon every Magistrate sitting at any Police Court within the Limits of the Metropolitan Police District, and at every other Criminal Court holden within the said District, for the Purpose of executing such Summonses and Warrants as may be directed to them.