8.1(1)A person who is directed under an order to perform work or take action and who does so, whether personally or by an agent, on, over or under land that is not owned by the person shall forthwith upon completing the work or action, restore the land and any premises and personal property adversely affected by the work or action to the condition it was in before the work or action commenced, to the extent reasonably practicable and at the expense of the person to whom the order is directed.