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