Section 18

possession of any land has been taken by or on behalf of a competent authority;

any land has been used or occupied by or on behalf of the armed forces or the civil defence force or an authorised officer;

any property other than land has been requisitioned or acquired by or on behalf of the armed forces or the civil defence force or a competent authority;

any work has been done on any land by the armed forces or the civil defence force otherwise than by way of measures taken to avoid the spreading of damage caused by disasters or emergencies; or

any service or work has been performed for or on behalf of a competent authority by any person,then, subject to the provisions of this Act, compensation assessed in accordance with this Act must be paid out of moneys provided by Parliament in respect of the possession, use or occupation of land, the requisition or acquisition of the property, or the requisition of the service, or the rendering of any service or the performance of any work by any person, as the case may be.