The Board of Trustees may from time to time
after public hearing amend, supplement, change, modify or repeal this
chapter, including the accompanying map or maps.
The Board of Trustees shall fix by resolution
the time and place of any public hearing on the proposed amendment,
supplement, change, modification or repeal of any part of this chapter,
including the accompanying map or maps, and cause notice thereof to
be given as provided by law.
In case of a written protest against such proposed
change, signed by the owners of 20% or more of the area of the real
property included in such proposed change and/or the real property
located within a radius of 200 feet of the perimeter of the real property
included in the proposed change, such amendment shall not become effective
except by the favorable vote of 4/5 of the members of the Board of
Trustees.