Their jurisdictions coincide for the most part with the magisterial and fiscal boundaries.
In the magisterial constitution of larger towns and cities, the members of the Magistrat, i.e.
Three justices of the peace are elected in each magisterial district for a term of four years.
Each county is divided into magisterial districts, varying in number from three to eleven.
Subordinate to the deputy commissioners are assistant commissioners, extra-assistant commissioners and myooks, who are invested with various magisterial, civil and revenue powers, and hold charge of the townships, as the units of regular civil and revenue jurisdiction are called, and the sub-divisions of districts, into which most of these townships are grouped.