Class A Non-PO Principal Distribution Amount As to any Distribution Date, the aggregate amount distributed in respect of the Class A Certificates pursuant to Paragraph third clause (A) of Section 4.01(a).
Class B Distribution Amount Any of the Class B-1, Class B-2, Class B-3, Class B-4, Class B-5 or Class B-6 Distribution Amounts.
Class A Principal Distribution Amount With respect to any Distribution Date, the excess of (i) the aggregate Class Certificate Balances of the Class A Certificates immediately prior to such Distribution Date over (ii) the lesser of (A) 54.50% of the aggregate Stated Principal Balance of the Mortgage Loans for such Distribution Date and (B) the excess, if any, of the aggregate Stated Principal Balance of the Mortgage Loans for such Distribution Date over $3,608,680.
Class A-P Principal Distribution Amount As defined in Section 4.02.
Class A Non-PO Optimal Amount As to any Distribution Date, the sum for such Distribution Date of (i) the Class A Interest Accrual Amount, (ii) the Aggregate Class A Unpaid Interest Shortfall and (iii) the Class A Non-PO Optimal Principal Amount.