Queensland Numbered Acts Queensland Numbered Acts(1) A person must not obstruct an authorised person in the exercise of a power, unless the person has a reasonable excuse.
Maximum penalty--100 penalty units.
(2) If a person has obstructed an authorised person and the authorised person decides to proceed with the exercise of the power, the authorised person must warn the person that--
(a) it is an offence to obstruct the authorised person unless the person has a reasonable excuse; and
(b) the authorised person considers the person's conduct an obstruction.