The purposes of this Act are as follows—
(a) to consolidate and rationalise the powers and responsibilities police officers have for investigating offences and enforcing the law;
(b) to provide powers necessary for effective modern policing and law enforcement;
(c) to provide consistency in the nature and extent of the powers and responsibilities of police officers;
(d) to standardise the way the powers and responsibilities of police officers are to be exercised;
(e) to ensure fairness to, and protect the rights of, persons against whom police officers exercise powers under this Act;
(f) to enable the public to better understand the nature and extent of the powers and responsibilities of police officers;
(g) to provide for the forced muster of stray stock.