1.  Implementation  of the final plan shall be accomplished by a local
  law which amends the zoning and other codes of the town  to  conform  to
  the recommendations of the plan.
2.  Where  the  town  seeks  the  benefits  from the state of defense,
  attorneys' fees, court costs and state funding as provided  by  sections
  57-0211  and  57-0213  of  this  title,  the plan and local law shall be
  submitted to the commissioner.
3. Where the commissioner certifies by resolution that  the  plan  and
  local  law  are  in  compliance  with  this  title, then the benefits of
  sections 57-0211 and 57-0213 of this title shall accrue to the town.
4. The commissioner shall render a decision upon certification  within
  ninety days of submission by the town.
5.  The  town,  from  time  to time, but not less than once every five
  years after the plan has been  adopted,  shall  cause  the  plan  to  be
  reviewed,  and  if  appropriate, amended. Where the plan is amended, the
  procedures for adoption, implementation, and certification shall be  the
  same as for its original adoption, implementation and certification.