Acknowledgement of Satisfaction and Discharge. After the satisfaction and discharge of the Indenture under Section 4.1(a), the Indenture Trustee will (i) by Issuer Order and at the expense of the Issuer, execute documents acknowledging satisfaction and discharge of this Indenture and (ii) at the request of the Owner Trustee, the Indenture Trustee will deliver to the Owner Trustee a certificate of a Responsible Person stating that all Noteholders have been paid in full.