Permission of the municipal council to become void in certain cases

The permission granted under section 133 shall become void in the following cases, namely:— (a) if the advertisement contravenes any bye-law made under this Act; (b) if any material change is made in the advertisement or any part thereof without the previous permission of the municipal council; (c) if the advertisement or any part thereof falls otherwise than through accident; (d) if any addition or alteration be made to, or in the building, wall, hoarding, frame, post or structure upon or over which the advertisement is exhibited, erected, fixed or retained, if such addition or alteration involves the disturbance of the advertisement or any part thereof; (e) if the building, wall, hoarding, frame, post or structure upon or over which the advertisement is exhibited, erected, fixed or retained is demolished or destroyed.