(a) Notwithstanding other law relating to liability for agricultural chemical use, an end user or landowner is not liable for the cost of active cleanup, or damages associated with or resulting from agricultural chemicals in groundwater if the person has applied or has had others apply agricultural chemicals in compliance with state law, with any applicable labeling, and orders of the commissioner.
(b) It is a complete defense for liability if the person has complied with the provisions in paragraph (a).