REG 77
(1) A driver driving on a length of road in a built-up area, in the left lane or left line of traffic, must give way to a bus in front of the driver if:
- (a) the bus has stopped, or is moving slowly, at the far left side of the road, on a shoulder of the road, or in a bus-stop bay, and
- (b) the bus displays a give way to buses sign and the right direction indicator lights of the bus are operating, and
- (c) the bus is about to enter or proceed in the lane or line of traffic in which the driver is driving.