Allocation of Losses and Subsequent Recoveries on the Group I Certificates. (a) On or prior to each Determination Date, the Master Servicer shall determine the amount of any Realized Loss in respect of each Group I Mortgage Loan that occurred during the immediately preceding calendar month, based on information provided by the related Servicer. Any Realized Losses with respect to the Group I Mortgage Loans shall be applied on each Distribution Date after the distributions provided for in Section 6.01, in reduction of the Certificate Principal Balance of the Class or Classes of Group I Certificates to the extent provided in the definition of Applied Realized Loss Amount.