This chapter shall be known and may be cited as the "Subdivision
of Land."
If any clause, sentence, paragraph, section or part of this
chapter shall be adjudged by any court of competent jurisdiction to
be invalid, such judgment shall not affect, impair or invalidate the
remainder thereof, but shall be confined in its operation to the clause,
sentence, paragraph, section or part thereof directly involved in
the controversy in which such judgment shall have been rendered or
as determined by such judgment.