If any section, paragraph, sentence, phrase or any part of this chapter shall be held invalid or unconstitutional, such holding shall not affect any other section, paragraph, sentence, clause, phrase or part of this chapter which is not in and of itself invalid or unconstitutional. Moreover, if the application of this chapter, or of any portion of it, to any person or circumstance is held invalid, the invalidity shall not affect the application of this chapter to other persons or circumstances which can be given effect without the invalid provision or application.