(a) The Outstanding Principal Balance of any Series of Notes which may be authenticated and delivered from time to time under this Indenture shall not exceed the initial Outstanding Principal Balance set forth for such Series of Notes, in the case of the Initial Notes, in the definition of the Initial Series A Notes or the Initial Series B Notes, as applicable, or, with respect to any Refinancing Notes, as authorized in a Trustee Resolution.  All Initial Notes shall be issued at the same time and no additional Notes shall be issued under this Indenture; provided that Refinancing Notes may be issued in connection with a Refinancing of the Initial Notes or a refinancing of any previously issued Refinancing Notes and any Refinancing Notes may be reopened, without the consent of any Holder, for the issuance of additional Refinancing Notes, subject in all cases to Sections 2.10 and 5.02 and any other applicable provision of this Indenture; provided that at no time may the Outstanding Principal Balance of any Series of Refinancing Notes issued in connection with a Refinancing exceed the Redemption Price of the Series of Notes being refinanced thereby plus Refinancing Expenses relating thereto.