ยง  1399-ww. Separability. If any item, clause, sentence, subparagraph,
  subdivision, section or other part  of  this  act,  or  the  application
  thereof to any person or circumstances shall be held to be invalid, such
  holding  shall  not  affect,  impair or invalidate the remainder of this
  act, or the application of such  section  or  part  of  a  section  held
  invalid,  to any other person or circumstances, but shall be confined in
  its operation to the item, clause, sentence, subparagraph,  subdivision,
  section  or other part of this act directly involved in such holding, or
  to the person and circumstances therein involved.