(1) If in a municipal district a designated special area is altered or a new designated special area is created a relevant council must, as soon as practicable—
(a) amend the map for the designated special area that has been altered; or
(b) prepare a map of the new designated special area that has been created.
(2) A council must advise the Authority within 7 days if a designated special area within its municipal district is altered or if a new designated special area is created.
(3) The relevant council must lodge with the Authority within 7 days copies of designated special area maps amended or prepared under regulation 148 or subregulation (1).
(4) A council must make an up‑to‑date copy of each designated special area map applicable to its municipal district that has been prepared under regulation 148 or subregulation (1) available to the public for inspection without charge at the offices of the council during normal business hours.