Unconditional Rights to Receive Principal and Interest. Each Noteholder has an absolute and unconditional right to receive payment of the principal of and interest on its Note on or after the due dates stated in the Note or in this Indenture (or, for redemption, on or after the Redemption Date) and to start a proceeding for the enforcement of the payment according to Section 5.8. Those rights may not be impaired or affected without the consent of the Noteholder.