This Article and the rules and regulations promulgated thereunder shall receive a liberal construction to the end that the welfare of the people may be protected. If any provisions of either or the application thereof to any person or circumstances is held to be invalid, such invalidity shall not affect those provisions or applications which can be given effect without the invalid provision or application, and to that end the provisions of this Article are severable. (1985 (Reg. Sess., 1986), c. 990, s. 2.)