This chapter does not apply to uses and structures
which are lawfully in existence as of the date this chapter becomes
effective, but does apply to any change or modification of such use
affecting exterior characteristics of the use. Any use which would
otherwise be subject to this chapter that has been discontinued for
a period of two years or more shall be subject to review pursuant
to the terms of this chapter before such use is resumed. Any use or
structure shall be considered to be in existence, provided that the
same has been substantially commenced as of the effective date of
this chapter and fully constructed and completed within one year from
the effective date of this chapter.
This chapter in no way affects the provisions
or requirements of any other federal, state or local law, ordinance
or regulation. Where this chapter is in conflict with any other such
law, ordinance or regulation, the more restrictive shall apply.