When transporting goods on a vehicle on a public road, which of the following statements are/is true?

(i) Goods may be loaded onto a vehicle in such a manner that it obstructs the driver's/ rider's view in the rearview mirrors of traffic to the rear, as long as the vehicle has red flags tied to all the corners of such load.
(ii) Goods may be transported on the roof of a motorcar if the height of such goods, measured from the highest point of such roof, does not exceed one half of the height of the motor vehicle, measured from ground level.
(iii) When a pedal cycle is being transported on a motorcar's roof, the rule in ii is not applicable.