(1) A permit authority means (a) a person appointed under subsection (2) or subsection (5)(a) for a municipal area; and(b) if the Minister has published a notice under subsection (6) , the Director of Building Control.(2) The general manager of a council must appoint a person as a permit authority for the municipal area of that council.(3) Nothing in subsection (2) prevents a general manager of a council from appointing a person under that subsection who (a) is an employee of another council; or(b) is the permit authority for the municipal area of another council.(4) The general manager may only appoint a person as a permit authority under subsection (2) if the person holds a licence under the Occupational Licensing Act 2005 that authorises the person to perform the functions and exercise the powers of a permit authority.(5) If the general manager of a council does not appoint a person as a permit authority under subsection (2) for the municipal area of that council (a) the Director of Building Control may appoint a person as the permit authority, for that municipal area, on the terms and conditions that are specified in the instrument of appointment; and(b) the council is liable for any reasonable costs that are incurred as a result of the appointment under paragraph (a) unless the Director of Building Control otherwise determines.(6) The Minister may, by notice in the Gazette , appoint the Director of Building Control as a permit authority on the terms and conditions specified in the notice, including which functions or powers of a permit authority they are appointed to perform or exercise.