15.—(1) Where an application is to be determined without a hearing or inquiry, the determining authority may at any time before determining the application appoint or assign an inspector to inspect the site of the proposed works and to provide a report.
(2) An inspector carrying out a hearing or inquiry may inspect the site of the proposed works.
(3) Where an inspector intends to make a site inspection under paragraph (1) or (2), he must ask the applicant whether he wishes to be present or be represented.
(4) If the applicant states that he wishes to be present or be represented, the inspector must give the applicant reasonable notice of the date and time of the inspection, and give the applicant or his representative the opportunity to be present.
(5) The inspector is not required to postpone an inspection if the applicant or his representative is not present at the appointed time.