Class A Principal Balance As of any date, an amount equal to the sum of the Principal Balances for the Class A-1 Certificates, Class A-2 Certificates, Class A-3 Certificates, Class A-4 Certificates, Class A-PO Certificates and Class A-R Certificate.
Note Principal Balance means, with respect to each Note, at any time of determination, the Principal Balance for such Note, as set forth on the Mortgage Loan Schedule, less any payments of principal thereon (or any New Notes issued in substitution thereof) received by the related Note Holder (or any holders of New Notes in substitution thereof) or reductions in such amount pursuant to Section 3 or 4, as applicable.
Class B Principal Balance As of any date, an amount equal to the sum of the Class B-1 Principal Balance, Class B-2 Principal Balance, Class B-3 Principal Balance, Class B-4 Principal Balance, Class B-5 Principal Balance and Class B-6 Principal Balance.