(a) On receipt of a petition signed by at least 50 registered voters of the political subdivision issuing the bonds, the commissioners court shall order an election to determine whether road bonds in an amount equal to the unexpended and unpledged proceeds remaining from the sale of bonds issued under this chapter shall be repurchased, canceled, and revoked.
(b) The commissioners court shall hold an election ordered under Subsection (a) in the same manner as the election at which the bonds were originally authorized.

(c) The commissioners court may advertise for and repurchase the outstanding bonds from the holders if two-thirds of the voters voting in the election approve the repurchase, cancellation, and revocation.
(d) After repurchasing the bonds, the commissioners court shall:
(1) cancel and burn the bonds; and
(2) forward to the comptroller a certified copy of the minutes of the commissioners court showing the repurchase, cancellation, and destruction of the bonds.
(e) On receipt of a copy under Subsection (d)(2), the comptroller shall promptly cancel the registration of the bonds.