(a) A person required to be licensed under section 18C.415, or a person who stores fertilizers, soil amendment, or plant amendment products in bulk, must develop and maintain an incident response plan that describes the actions that will be taken to prevent and respond to agricultural chemical incidents. The plan must include information the commissioner deems necessary to respond to an agricultural chemical emergency incident. The commissioner shall make sample incident response plan forms available. The plan must be kept at a principal business site or location within this state and must be submitted to the commissioner upon request. The plan must be:
(1) updated every three years or whenever information on the form becomes out of date, whichever is earlier;
(2) reviewed with employees at least once per calendar year and include documentation of training events; and
(3) made available to local first responders and documented accordingly.
(b) A person also required to maintain an incident response plan under section 18B.37 is not required to maintain a separate incident response plan under this subdivision.