Every police-officer shall, for all purposes in this Act contained, be considered to be always on duty, and may at any time be employed as a police-officer in any part of the general police-district.
Section 17 Special police-officers
Section 18 Powers of special police-officers
Section 19 Refusal to serve as special police-officers
Section 20 Authority to be exercised by police-officers
Section 21 Village police-officers
Section 22 Police-officers always on duty and may be employed in, any part of district
Section 23 Duties of police-officers