Thanks 43inches @ #99:
He's right y'know.
Here outwestdownunda:
Road Traffic Code 2000 - [05-m0-01].pdf (legislation.wa.gov.au)
95. Right of way in roundabout
A driver entering a roundabout must give way to a vehicle that is within the roundabout. Points: 3 Modified penalty: 3 PU [Regulation 95 amended: SL 2020/253 r. 28.]