Road Rules 2014
Historical version for 30 June 2015 to 31 August 2015 (accessed 5 August 2020 at 15:58) Current version
Part 11 Division 4 Rule 148A
148A   Giving way when moving within a single marked lane
If a driver diverges to the left or right within a marked lane, the driver must give way to any vehicle that is in the lane.
Maximum penalty: 20 penalty units.
Note.
 Marked lane is defined in the Dictionary.