(a) A responsible person subject to this subchapter shall obtain and maintain an environmental impairment insurance policy that must:(1) reflect the responsible person as the insured;(2) reflect total coverage of not less than $3 million per occurrence with a policy limit of not less than $3 million, exclusive of legal defense costs;(3) be issued by an insurance company licensed to transact the business of insurance in Texas or eligible to provide insurance as an excess or surplus lines insurer in Texas that has a rating of A- or better by A.M. Best Company;(4) designate the Texas Commission on Environmental Quality as an additional insured; and(5) be evidenced by a certificate of insurance worded identically to the wording specified in §37.9155 of this title (relating to Certificate of Insurance for Environmental Impairment).(b) The insurance afforded under the policy must provide the following.(1) The insurance policy must guarantee that funds be available to provide for corrective action related to the facility. The policy must also guarantee that once corrective action begins, the insurer shall be responsible for paying out funds, up to an amount equal to the policy limit, upon the direction of the executive director, to such party or parties as the executive director specifies.(2) The insurer may elect to cancel, terminate, or fail to renew the policy by sending notice by certified mail to the responsible person and the executive director. Cancellation, termination, or failure to renew may not occur, however, during 120 days beginning with the date of receipt of the notice of cancellation, termination, or failure to renew by both the executive director and the responsible person, as evidenced by the return receipts.(3) Cancellation, termination, or failure to renew may not occur and the policy must remain in full force and effect in the event that on or before the date of expiration:(A) corrective action is ordered by the executive director or by a United States district court or other court of competent jurisdiction;(B) the responsible person is named as debtor in a voluntary or involuntary proceeding under