Class A-1 Principal Distribution Amount With respect to any Distribution Date on or after the Stepdown Date and on which a Trigger Event is not in effect, the excess of (x) the Certificate Principal Balance of the Class A-1 Certificates immediately prior to such Distribution Date over (y) the lesser of (A) the product of (i) 59.20% and (ii) the aggregate Stated Principal Balance of the Group I Mortgage Loans as of the last day of the related Due Period (after giving effect to scheduled payments of principal due during the related Due Period, to the extent received or advanced and unscheduled collections of principal received during the related Prepayment Period) and (B) the aggregate Stated Principal Balance of the Group I Mortgage Loans as of the last day of the related Due Period (after giving effect to scheduled payments of principal due during the related Due Period, to the extent received or advanced and unscheduled collections of principal received during the related Prepayment Period) minus the product of (i) 0.50% and (ii) the aggregate principal balance of the Group I Mortgage Loans as of the Cut-off Date.
Class A-P Principal Distribution Amount As defined in Section 4.02.
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 B-1 Principal Distribution Amount With respect to any Distribution Date on or after the Stepdown Date, 100% of the Principal Distribution Amount for such Distribution Date if the Class A Certificate Principal Balance and the Class M Certificate Principal Balance, have been reduced to zero and a Stepdown Trigger Event exists, or as long as a Stepdown Trigger Event does not exist, the excess of (1) the sum of (A) the Class A Certificate Principal Balance (after taking into account distributions of the Class A Principal Distribution Amount on such Distribution Date), (B) the Class M-1 Certificate Principal Balance (after taking into account distributions of the Class M-1 Principal Distribution Amount on such Distribution Date), (C) the Class M-2 Certificate Principal Balance (after taking into account distributions of the Class M-2 Principal Distribution Amount on such Distribution Date), (D) the Class M-3 Certificate Principal Balance (after taking into account distributions of the Class M-3 Principal Distribution Amount on such Distribution Date), (E) the Class M-4 Certificate Principal Balance (after taking into account distributions of the Class M-4 Principal Distribution Amount on such Distribution Date, (F) the Class M-5 Certificate Principal Balance (after taking into account distributions of the Class M-5 Principal Distribution Amount on such Distribution Date, (G) the Class M-6 Certificate Principal Balance (after taking into account distributions of the Class M-6 Principal Distribution Amount on such Distribution Date and (H) the Class B-1 Certificate Principal Balance immediately prior to such Distribution Date over (2) the lesser of (A) 86.60% of the Stated Principal Balance of the Mortgage Loans as of such Distribution Date and (B) the excess of the Stated Principal Balance of the Mortgage Loans as of such Distribution Date over the Minimum Required Overcollateralization Amount. Notwithstanding the foregoing, (I) on any Distribution Date prior to the Stepdown Date on which the Certificate Principal Balance of each Class of Class A Certificates and Class M Certificates has been reduced to zero, the Class B-1 Principal Distribution Amount will equal the lesser of (x) the outstanding Certificate Principal Balance of the Class B-1 Certificates and (y) 100% of the Principal Distribution Amount remaining after any distributions on such Class A and Class M Certificates and (II) in no event will the Class B-1 Principal Distribution Amount with respect to any Distribution Date exceed the Class B-1 Certificate Principal Balance.
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).