This chapter does not apply to uses and structures which are
lawfully in existence as of the date this chapter becomes effective.
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 or regulations. Where this
chapter is in conflict with any other such law or regulation, the
more restrictive shall apply.