Base Offering Circular - Multifamily 482090 83 Scheduled Class ......................... A Class that is designed to receive distributions of principal using a predetermined schedule, but that fits neither the definition of a PAC Class, nor the definition of a TAC Class. Scheduled Component ............... A Component that is designed to receive distributions of principal using a predetermined schedule, but that fits neither the definition of a PAC Component, nor the definition of a TAC Component. Scheduled Principal Balance...... For any PAC, Scheduled or TAC Class or Component and any Distribution Date, an amount indicated for such Distribution Date on the Final Schedule. Securities Structure .................... The structure of a particular Series, including, as applicable, the designation, Original Class Principal Balance or original Class Notional Balance, Interest Rate and Class Type of each Class, the priority of distributions among the Classes and any call rights related to a Class. Security....................................... A Ginnie Mae Guaranteed Multifamily REMIC Pass- Through Security including an MX or Modifiable Security or a Ginnie Mae Guaranteed Callable Pass-Through Security. Security Group ........................... One of two or more groups into which the Securities of a Series may be segregated as described in the related Trust Agreement and Offering Circular Supplement. Series.......................................... A series of Securities issued pursuant to the terms of a Trust Agreement and having the numerical or other designation specified in such Trust Agreement. Single REMIC Series ................. A Series as to which one REMIC election is made (or, in the case of a single tier of side-by-side Trust REMICs, as to which a corresponding number of REMIC elections are made). Special Excess Distribution ....... With respect to a Series, a distribution of principal and/or Prepayment Penalties, if applicable, made on a Special Excess Distribution Date. Special Excess Distribution Amount....................................... With respect to each Trust MBS, each REMIC Series (or, if the Series is segregated into Security Groups, for each Trust MBS included in the related Trust Asset Group) and each Special Excess Distribution Date, the sum of (a) the