Section 11-109. Municipal regulations

1. Nothing in this article shall be
  construed as abrogating or impairing the power of  any  municipality  or
  the  secretary  of state to enforce the provisions of any local building
  regulations  or  the  state  uniform  fire   prevention   and   building
  construction code, provided that such local building regulations are not
  inconsistent  with  the  code.  Nor  shall  anything  in this article be
  construed as abrogating or impairing the power of  any  municipality  to
  promulgate  a local energy conservation construction code more stringent
  than the code.
    2.  Any  municipality  which  adopts  a  local   energy   conservation
  construction  code  in accordance with this section shall file a copy of
  such code and any amendments or revisions thereof with  the  state  fire
  prevention   and   building   code  council  within  thirty  days  after
  promulgation or adoption of such  code,  amendments  or  revisions.  The
  failure  to  comply  with  the  provisions of this subdivision shall not
  impair or otherwise affect the validity of such local code or  amendment
  or revision.