35. Duty to gather information, monitor, and keep records---(1) Every
 local authority shall gather such information, and undertake or
 commission such research, as is necessary to carry out effectively its
 functions under this Act.

   (2) Every local authority shall monitor---
   (a) The state of the whole or any part of the environment of its
         region or district to the extent that is appropriate to enable
         the local authority to effectively carry out its functions under
         this Act; and
   (b) The suitability and effectiveness of any policy statement or plan
         for its region or district; and
   (c) The exercise of any functions, powers, or duties delegated or
         transferred by it; and
   (d) The exercise of the resource consents that have effect in its
         region or district, as the case may be,---

 and take appropriate action (having regard to the methods available to
 it under this Act) where this is shown to be necessary.

   (3) Every local authority shall keep reasonably available at its
 principal office, information which is relevant to the administration of
 policy statements and plans, the monitoring of resource consents, and
 current issues relating to the environment of the area, to enable the
 public---
   (a) To be better informed of their duties and of the functions,
         powers, and duties of the local authority; and
   (b) To participate effectively under this Act.

   (4) Every local authority shall keep reasonably available at each of
 the offices in its region or district such of the information referred
 to in subsection (3) as relates to that part of the region or district.

   (5) The information to be kept by a local authority under subsection
 (3) shall include---
   (a) Copies of its operative and any proposed policy statements and
         plans including all requirements for designations and heritage
         orders, and all operative and proposed changes to those policy
         statements and plans; and
   (b) All its decisions relating to submissions on any proposed policy
         statements and plans which have not yet become operative; and
   (c) In the case of a territorial authority, copies of every operative
         and proposed regional policy statement and regional plan for the
         region of which its district forms part; and
   (d) In the case of a regional council, copies of every operative and
         proposed district plan for every territorial authority in its
         region; and
   (e) In the case of a regional council, a copy of every Order in
         Council served on it under section 154 (a); and
   (f) Copies of any national policy statement or New Zealand coastal
         policy statement; and
   (g) Records of each resource consent granted by it, including any
         transfer of a resource consent; and
   (h) Records of all extensions of time periods and waivers granted by
         it under section 37 in relation to applications under section 10
         (which relates to existing uses), section 125 (which relates to
         lapsing of consents), and section 184 (which relates to lapsing
         of designations) during the preceding 5 years; and
   (i) A summary of all written complaints received by it during the
         preceding 5 years concerning alleged breaches of the Act or a
         plan, and information on how it dealt with each such complaint;
         and
   (j) Records of natural hazards to the extent that the local authority
         considers appropriate for the effective discharge of its
         functions; and
   (k) Any other information gathered under subsections (1) and (2).