What does the Queensland motorcycle road rule about riding on a road shoulder or emergency stopping lane mean for riders?

1. Motorcycles may use the shoulder freely at any speed
2. Riding on a road shoulder or emergency stopping lane improperly is an offence carrying 3 demerit points and a $518 fine
3. Motorcycles may use the shoulder only when the road is congested
4. There are no restrictions on shoulder use for motorcycles under 250 mL