65. Preparation and change of other regional plans---(1) A regional
 council may have, in addition to its regional coastal plan, one or more
 regional plans prepared in the manner set out in the First Schedule.

   (2) A regional plan may---
   (a) Be prepared in respect of any aspect of any function for which the
         regional council is responsible; and
   (b) Apply to the whole or any part of a region.

   (3) Without limiting the power of a regional council to prepare a
 regional plan at any time, a regional council shall consider the
 desirability of preparing a regional plan whenever any of the following
 circumstances or considerations arise or are likely to arise:
   (a) Any significant conflict between the use, development, or
         protection of natural and physical resources or the avoidance or
         mitigation of such conflict:
   (b) Any significant need or demand for the protection of natural and
         physical resources or of any site, feature, place, or area of
         regional significance:
   (c) Any threat from natural hazards or any actual or potential adverse
         effects of the storage, use, disposal, or transportation of
         hazardous substances which may be avoided or mitigated:
   (d) Any foreseeable demand for or on natural and physical resources:
   (e) Any significant concerns of tangata whenua for their cultural
         heritage in relation to natural and physical resources:
   (f) The restoration or enhancement of any natural and physical
         resources in a deteriorated state or the avoidance or mitigation
         of any such deterioration:
   (g) The implementation of a national policy statement or New Zealand
         coastal policy statement:
   (h) Any use of land or water that has actual or potential adverse
         effects on soil conservation or air quality or water quality:
   (i) Any other significant issue relating to any function of the
         regional council under this Act.

   (4) Any person may request a regional council to prepare or change a
 regional plan in the manner set out in the First Schedule.

   (5) A regional plan may be changed in the manner set out in the First
 Schedule.