Texas Government Code - GOV'T § 1206.023. Exception to Approval Requirement

(a) If the duty to replace a public security or interest coupon is imposed on a corporate trustee under a trust agreement or indenture or on a paying agent for the public security, the attorney general is not required to approve and the comptroller is not required to register:

(b) A replacement public security or interest coupon is valid and incontestable in the same manner and with the same effect as the previously issued public security.