Class B-6 Unpaid Interest Shortfall As to any Distribution Date, the amount, if any, by which the aggregate of the Class B-6 Interest Shortfall Amounts for prior Distribution Dates is in excess of the amounts distributed in respect of the Class B-6 Certificates on prior Distribution Dates pursuant to Paragraph twenty-first of Section 4.01(a).

Class A Unpaid Interest Shortfall As to any Distribution Date and any Class of Class A Certificates, the amount, if any, by which the aggregate of the Class A Interest Shortfall Amounts for such Class for prior Distribution Dates is in excess of the amounts distributed in respect of such Class on prior Distribution Dates pursuant to Paragraph second of Section 4.01(a).

Class B-5 Unpaid Interest Shortfall As to any Distribution Date, the amount, if any, by which the aggregate of the Class B-5 Interest Shortfall Amounts for prior Distribution Dates is in excess of the amounts distributed in respect of the Class B-5 Certificates on prior Distribution Dates pursuant to Paragraph eighteenth of Section 4.01(a).

Class B-4 Unpaid Interest Shortfall As to any Distribution Date, the amount, if any, by which the aggregate of the Class B-4 Interest Shortfall Amounts for prior Distribution Dates is in excess of the amounts distributed in respect of the Class B-4 Certificates on prior Distribution Dates pursuant to Paragraph fifteenth of Section 4.01(a).

Class Unpaid Interest Shortfall As to any Distribution Date and each interest-bearing Class, the amount by which the aggregate Class Interest Shortfalls for such Class on prior Distribution Dates exceeds the amount of interest actually distributed on such Class on such prior Distribution Dates pursuant to clause (ii) of the definition of "Interest Distribution Amount."

Class B-2 Unpaid Interest Shortfall As to any Distribution Date, the amount, if any, by which the aggregate of the Class B-2 Interest Shortfall Amounts for prior Distribution Dates is in excess of the amounts distributed in respect of the Class B-2 Certificates on prior Distribution Dates pursuant to Paragraph ninth of Section 4.01(a).

Class B-1 Unpaid Interest Shortfall As to any Distribution Date, the amount, if any, by which the aggregate of the Class B-1 Interest Shortfall Amounts for prior Distribution Dates is in excess of the amounts distributed in respect of the Class B-1 Certificates on prior Distribution Dates pursuant to Paragraph sixth of Section 4.01(a).

Class B-3 Unpaid Interest Shortfall As to any Distribution Date, the amount, if any, by which the aggregate of the Class B-3 Interest Shortfall Amounts for prior Distribution Dates is in excess of the amounts distributed in respect of the Class B-3 Certificates on prior Distribution Dates pursuant to Paragraph twelfth of Section 4.01(a).

Aggregate Class A Unpaid Interest Shortfall As to any Distribution Date, an amount equal to the sum of the Class A Unpaid Interest Shortfalls for all the Classes of Class A Certificates.

Unpaid Interest Shortfalls Each of the Class A Unpaid Interest Shortfalls, the Class B-1 Unpaid Interest Shortfall, the Class B-2 Unpaid Interest Shortfall, the Class B-3 Unpaid Interest Shortfall, the Class B-4 Unpaid Interest Shortfall, the Class B-5 Unpaid Interest Shortfall and the Class B-6 Unpaid Interest Shortfall.

Unpaid Interest Shortfall Amount With respect to the Class A Certificates and the Mezzanine Certificates and (i) the first Distribution Date, zero, and (ii) any Distribution Date after the first Distribution Date, the amount, if any, by which (a) the sum of (1) the Monthly Interest Distributable Amount for such Class for the immediately preceding Distribution Date and (2) the outstanding Unpaid Interest Shortfall Amount, if any, for such Class for such preceding Distribution Date exceeds (b) the aggregate amount distributed on such Class in respect of interest pursuant to clause (a) of this definition on such preceding Distribution Date, plus interest on the amount of interest due but not paid on the Certificates of such Class on such preceding Distribution Date, to the extent permitted by law, at the Pass-Through Rate for such Class for the related Accrual Period.

Class B Interest Shortfall shall have the meaning specified in subsection 4.02(b).

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.

Class A Interest Shortfall shall have the meaning specified in subsection 4.02(a).

Class B Note Interest Shortfall means, for any distribution date, the excess of: • the Class B Noteholders’ Interest Distribution Amount on the preceding distribution date, over • the amount of interest actually distributed to the class B noteholders on that preceding distribution date, plus interest on the amount of that excess, to the extent permitted by law, at the class B note interest rate from that preceding distribution date to the current distribution date.

Class A Note Interest Shortfall means, for any distribution date, the excess of: • the Class A Noteholders’ Interest Distribution Amount on the preceding distribution date, over • the amount of interest actually distributed to the class A noteholders on that preceding distribution date, plus interest on the amount of that excess, to the extent permitted by law, at the interest rate applicable for each related class of notes from that preceding distribution date to the current distribution date.

Class B-4 Interest Shortfall Amount As to any Distribution Date, any amount by which the Interest Accrual Amount of the Class B-4 Certificates with respect to such Distribution Date exceeds the amount distributed in respect of the Class B-4 Certificates on such Distribution Date pursuant to Paragraph fourteenth of Section 4.01(a).

Net Aggregate Prepayment Interest Shortfall With respect to any Distribution Date, the amount, if any, by which (a) the aggregate of all Prepayment Interest Shortfalls incurred in connection with the receipt of Principal Prepayments on the Mortgage Loans during the related Due Period, exceeds (b) the aggregate amount deposited by the Master Servicer in the Certificate Account for such Distribution Date pursuant to Section 3.19 in connection with such Prepayment Interest Shortfalls.

Interest Shortfall With respect to any Distribution Date for any Class of Regular Certificates, the sum of (a) the portion of the Interest Distribution Amount for such Class remaining unpaid as of the close of business on the preceding Distribution Date, and (b) to the extent permitted by applicable law, (i) in the case of a Class of Principal Balance Certificates, one month’s interest on that amount remaining unpaid at the Pass-Through Rate applicable to such Class for the current Distribution Date and (ii) in the case of the Class X Certificates, one-month’s interest on that amount remaining unpaid at the Weighted Average Net Mortgage Rate for such Distribution Date.

Class B-3 Interest Shortfall Amount As to any Distribution Date, any amount by which the Interest Accrual Amount of the Class B-3 Certificates with respect to such Distribution Date exceeds the amount distributed in respect of the Class B-3 Certificates on such Distribution Date pursuant to Paragraph eleventh of Section 4.01(a).

Class Unpaid Interest Amounts As to any Distribution Date and Class of interest bearing Certificates, the amount by which the aggregate Class Interest Shortfalls for such Class on prior Distribution Dates exceeds the amount distributed on such Class on prior Distribution Dates pursuant to clause (ii) of the definition of Class Optimal Interest Distribution Amount.

Class B-6 Interest Shortfall Amount As to any Distribution Date, any amount by which the Interest Accrual Amount of the Class B-6 Certificates with respect to such Distribution Date exceeds the amount distributed in respect of the Class B-6 Certificates on such Distribution Date pursuant to Paragraph twentieth of Section 4.01(a).

Net Simple Interest Shortfall With respect to any Distribution Date, the excess, if any, of (a) 30 days’ interest at the weighted average (by principal balance) of the Net Mortgage Rates of the Simple Interest Mortgage Loans as of the first day of the related Due Period, as determined by the Servicer, on the aggregate principal balance of such Simple Interest Mortgage Loans for such Remittance Date, carried to six decimal places, rounded down, and calculated on the basis of a 360-day year consisting of twelve 30-day months, over (b) the amount of the payments received by the Servicer in the related Due Period allocable to interest in respect of such Simple Interest Mortgage Loans, calculated in accordance with the Simple Interest Method, net of the related Servicing Fees.

Class Interest Shortfall As to any Distribution Date and Class, the amount by which the amount described in clause (i) of the definition of Class Optimal Interest Distribution Amount for such Class exceeds the amount of interest actually distributed on such Class on such Distribution Date pursuant to such clause (i).

Prepayment Interest Shortfall For any Distribution Date and with respect to any Mortgage Loan (other than any Non-Serviced Mortgage Loan) or Serviced Whole Loan that was subject to a Principal Prepayment in full or in part during the related Collection Period, which Principal Prepayment was applied to such Mortgage Loan or Serviced Whole Loan, as applicable, after the related Determination Date (or, with respect to each Mortgage Loan (other than any Non-Serviced Mortgage Loan) or Serviced Whole Loan, as applicable, with a Due Date occurring after the related Determination Date, the related Due Date) and prior to the following Due Date, the amount of interest (net of the related Servicing Fees and any Excess Interest), to the extent not collected from the related Mortgagor (without regard to any Prepayment Premium or Yield Maintenance Charge actually collected), that would have accrued at a rate per annum equal to (x) in the case of any such Mortgage Loan other than a Serviced Mortgage Loan, the sum of (i) the related Net Mortgage Rate for such Mortgage Loan, and (ii) the Certificate Administrator Fee Rate, the Operating Advisor Fee Rate, the Asset Representations Reviewer Fee Rate and the CREFC® Intellectual Property Royalty License Fee Rate and (y) in the case of any Serviced Whole Loan, the Mortgage Rate (net of Servicing Fees and any Excess Interest) on the amount of such Principal Prepayment during the period commencing on the date as of which such Principal Prepayment was applied to such Mortgage Loan or Serviced Whole Loan, as applicable, and ending on such following Due Date. With respect to any Serviced AB Whole Loan, any Prepayment Interest Shortfall for any Distribution Date shall be allocated first to the related AB Subordinate Companion Loan and then to the related Mortgage Loan and any related Serviced Pari Passu Companion Loan.