Base Offering Circular – Multifamily 84 Special Tax Consent..................  The written consent of a Residual Holder to any tax (or risk thereof) arising out of a proposed transaction or activity that may be imposed upon that Holder or that may affect adversely the value of that Holder’s Residual Security. Sponsor......................................  With respect to any Trust or MX Trust, the Person, identified in the related Trust Agreement and any MX Trust Agreement, who establishes the Trust by (a) executing such Trust or MX Trust Agreement, and (b) depositing the appropriate Trust Assets in the Trust or MX Trust in exchange for the Securities. Sponsor Agreement...................  An agreement, which incorporates by reference the related Standard Sponsor Provisions, pursuant to which, among other things, the Sponsor agrees, subject to certain conditions, to convey the Trust Assets to the Trust and to purchase the Securities from the Trust, and Ginnie Mae agrees, subject to certain conditions, to guarantee the Securities. Standard Sponsor Provisions ....  With respect to each Series, the Standard Sponsor Provisions in effect as of the date of the related Sponsor Agreement. Standard Trust Provisions .........  The REMIC Standard Trust Provisions or the MX Standard Trust Provisions, as the context requires. Startup Day ...............................  With respect to a Trust REMIC, the first date on which the Regular Interests and the Residual Interest in respect of such Trust REMIC are issued or such other date designated in the Trust Agreement as the startup day of the REMIC in accordance with Treasury Regulations sections 1.860G-1(a)(4) and 1.860G- 2(k). Sticky Jump Class .....................  A Class for which the principal distribution priorities change permanently upon the occurrence of one or more “trigger” events.  A Sticky Jump Class “jumps” to its new priority on the first distribution Date when the trigger condition is met and retains (“sticks” to) that priority until retired.   Strip Class .................................  A Class that receives a constant proportion, or “strip,” of the principal payments on the underlying Trust Assets. Structural Collateral Class.........  A Class that is designed to receive payments based on distributions of Underlying Certificates.