The provisions of this chapter are severable, and if any section, sentence, clause, part or provision hereof shall be held illegal, invalid or unconstitutional by any court of competent jurisdiction, such decision of the court shall not affect or impair the remaining sections, sentences, clauses, parts or provisions of this chapter. It is hereby declared to be the intent of the Board that this chapter would have been adopted even if such illegal, invalid or unconstitutional section, sentence, clause, part or provision had not been included herein.