Tex. Local Government Code § 119.012

(a) Except as provided by Subsection (b), cancellation of coverage for liability provided through the pool under this chapter other than cancellation for nonpayment of contribution, or any change to the terms or conditions of the coverage, may not take effect before the 60th day after the earlier of the date that written notice of the change is:

(1) delivered to the county judge or presiding officer of the governing body of each affected county or other political subdivision; or

(2) mailed, by certified mail, to the county judge or presiding officer of the governing body of each affected county or other political subdivision.

(b) Notice is not required for cancellation or a change to the terms or conditions of the coverage made:

(1) at the request of the affected county or other political subdivision; or

(2) by mutual agreement of the governing body, or authorized agent, of the affected county or other political subdivision and the pool if:

(A) the mutual agreement is evidenced by a writing; and

(B) not later than the 72nd hour before the governing body takes formal action with respect to the agreement, the writing described by Paragraph (A) is provided, electronically or by certified mail, to the county judge or presiding officer of the governing body of the political subdivision.

(c) The notice must be printed in at least 12-point bold-faced type and must specify the reasons for the cancellation or change.

(d) In the case of cancellation of the coverage, the notice must state that, on request of the affected county or other political subdivision, the pool shall refund to the county or political subdivision the pro rata unearned paid contribution of the county or political subdivision. This subsection does not apply if the refund is paid at the time the notice is made.