(1) Nothing in this Part limits any powers, authorities, duties or functions that correctional officers or police officers may have apart from this Part.
(2) In particular, the fact that a police officer or correctional officer conducts a search of a person under this Part does not prevent the police officer or correctional officer from exercising, whether during or after the search, any other powers of search or seizure that the police officer or correctional officer may have.
(3) Nothing in this Part limits any power under this Act or any other law for a person to conduct a search of an inmate, a correctional officer, a non-correctional member of staff or any other person, or a vehicle.