Note Interest Shortfall means, for a Class and a Payment Date, an amount equal to the excess, if any, of the Accrued Note Interest for the prior Payment Date for the Class over the amount of interest that was paid to the Noteholders of that Class on the prior Payment Date, together with interest on the excess amount, to the extent lawful, at the Note Interest Rate for the Class for that Interest Period.
Prepayment Interest Shortfall As to any Distribution Date and any Mortgage Loan (other than a Mortgage Loan relating to an REO Property) that was the subject of (a) a Principal Prepayment in Full during the portion of the related Prepayment Period that falls during the prior calendar month, an amount equal to the excess of one month's interest at the Net Mortgage Rate (or Modified Net Mortgage Rate in the case of a Modified Mortgage Loan) on the Stated Principal Balance of such Mortgage Loan over the amount of interest (adjusted to the Net Mortgage Rate (or Modified Net Mortgage Rate in the case of a Modified Mortgage Loan)) paid by the Mortgagor for such month to the date of such Principal Prepayment in Full or (b) a Curtailment during the prior calendar month, an amount equal to one month's interest at the Net Mortgage Rate (or Modified Net Mortgage Rate in the case of a Modified Mortgage Loan) on the amount of such Curtailment.