Section 18 of the Principal Act is amended by omitting subsections (6) and (7) and substituting the following subsections:
“(6) The Building Controller may cause a copy of a notice under subsection (1) to be served on the owner of any land on which building work is being carried out by the licensee on whom the notice has been served.
“(7) The owner of land on which building work is being carried out by a licensee on whom a notice under subsection (1) has been served may make representations to the Building Controller concerning the proposed variation, suspension or cancellation—
(a) if a copy of a notice under subsection (1) has been served on that owner—within the period of time specified in that notice or any extension of that period granted by the Building Controller; or
(b) in any other case—before the time fixed under paragraph (8) (a) for an inquiry.”.