(a) Immediately following receipt of notice under § 45.058 that a school district will be or is unable to pay maturing or matured principal or interest on a guaranteed bond, the commissioner shall instruct the comptroller to transfer from the appropriate account in the permanent school fund to the district’s paying agent the amount necessary to pay the maturing or matured principal or interest.
(b) Immediately following receipt of the funds for payment of the principal or interest, the paying agent shall pay the amount due and forward the canceled bond or coupon to the comptroller. The comptroller shall hold the canceled bond or coupon on behalf of the permanent school fund.

(c) Following full reimbursement to the permanent school fund with interest, the comptroller shall further cancel the bond or coupon and forward it to the school district for which payment was made.