When giving way to a bus in Tasmania, which conditions must ALL apply for you to be required to give way?

1. The bus is on a main road and has its hazard lights on
2. The bus has stopped or is moving slowly at the far left, has a 'Give way to buses' sign, has its right indicator on, and is about to enter your lane
3. The bus is larger than your vehicle and approaching from the right
4. The bus is a school bus at any time during school hours