(a) A warehouse operator may not cancel an insurance policy approved by the department unless the department gives written approval of a substitute policy.
(b) The insurer may cancel an insurance policy by sending notice of intent to cancel by registered or certified mail to the department. Cancellation of an insurance policy is not effective before the 31st day following the date the insurer mails notice of intent to cancel. On receipt of notice of cancellation of an insurance policy, the department shall promptly notify the warehouse operator involved.

(c) The insurer shall send a copy of the notice required by this section to any government agency requesting the copy.
(d) Notwithstanding any other provision of this chapter, a public grain warehouse license is automatically suspended if the warehouse operator fails to file a new certificate of insurance before the cancellation of an insurance policy is effective or fails to provide a certification of ownership under § 14.041(c).
(e) The suspension of a license under this section continues as long as the warehouse operator fails to maintain the insurance required by this chapter.