Base Offering Circular – Multifamily 65 Closing Date..............................  For each Series, the date upon which the Sponsor, pursuant to the Trust Agreement or MX Trust Agreement, as applicable, deposits the Trust Assets in the Trust or MX Trust, as the case may be, in exchange for the Securities and settles for the Securities. Closing Documents ...................  With respect to each Series, those documents, specified in the related Sponsor Agreement, that are to be executed by the parties to the transaction on or before the Closing Date. Code ..........................................  The Internal Revenue Code of 1986, as amended. COFI..........................................  The weighted average cost of funds for member savings institutions of the Eleventh Federal Home Loan Bank District. COFI Class................................  A Class bearing interest at a rate determined by reference to COFI. Combination..............................  Any permitted combination of REMIC and/or MX Securities set forth in an Available Combinations Schedule. Component ................................  With respect to any Component Class, one of the component parts of such Class. The Components of a Component Class may have different principal and/or interest distribution characteristics, but together they constitute a single Class and are not separately transferable from the related Class. Each Component may be categorized according to one or more Class Types. Component Class ......................  A Class composed of Components. Component Principal Balance...  As to any Component other than any Notional Component as of any Distribution Date, the Original Component Principal Balance of that Component less all principal previously allocated to that Component (plus Accrual Amounts, if any, added to the Component Principal Balance) on previous Distribution Dates, except as otherwise provided in the related Offering Circular and Trust Agreement. Contracted Security Purchaser ..  With respect to any Ginnie Mae Multifamily Certificate, an entity bound under contract with a Ginnie Mae Issuer to purchase Ginnie Mae construction loan certificates relating to a particular multifamily project. Corporate Trust Office ..............  With respect to a Series, the meaning specified in the related Trust Agreement.