Any person who, while a clearance notice remains in force, demolishes, damages or in any other manner impairs any land within the provisional clearance area or any right in such land without the written permission of the authority, otherwise than in the exercise of rights acquired in terms of the Mines and Minerals Act [Chapter 21:05], shall be guilty of an offence and liable to a fine not exceeding two thousand dollars or to imprisonment for a period not exceeding three years or to both such fine and such imprisonment.