The provisions of AS 44.12.300 - 44.12.390 are independent and severable, and if any provision of AS 44.12.300 - 44.12.390, or the applicability of any provision to any person or circumstance, shall be held to be invalid by a court of competent jurisdiction, the remainder of AS 44.12.300 - 44.12.390 shall not be affected and shall be given effect to the fullest extent practicable.