Should any section or provision of this chapter
be declared by the courts to be unconstitutional or invalid for any
reason, such decision shall not affect the validity of the chapter
as a whole nor the validity of any other section or provision of the
chapter than the one so declared.
All existing ordinances or parts of ordinances,
which are contrary to the provisions of this chapter, are hereby repealed
to the extent necessary to give this chapter full force and effect.
This chapter shall take effect 20 days after
its passage when published as required by law.