(1) A person must not obstruct an authorised officer in the exercise of a
power unless the person has a reasonable excuse.
Penalty—
Maximum
penalty—500 penalty units.
(2) If a person has obstructed an authorised
officer and the authorised officer decides to proceed with the exercise of the
power, the authorised officer must warn the person that—
(a) it is an
offence to obstruct the authorised officer unless the person has a reasonable
excuse; and
(b) the authorised officer considers the person’s conduct an
obstruction.
(3) In this section—
"obstruct" includes assault, hinder and threaten, and attempt to obstruct.