(1) A water supply authority may not levy service charges in respect of the lands described in Schedule 4.
(2) Subsection (1) does not apply to the following land--(a) land that is within a public reserve or park that is the subject of a lease, licence or other authority under which a person carries on a trade or business,(b) land that is vested in the Crown or a public body leased to any person for private purposes,(c) land that is used or occupied by the Crown in connection with an undertaking declared by the Governor by proclamation published in the Gazette to be an industrial undertaking for the purposes of this section.