Base Offering Circular - Single Family 63 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 REMIC Pass-Through Security or an MX or Modifiable 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  or  MX Trust Agreement and Offering Circular Supplement. Sequential Pay Class .................................  A   Class   that   receives   distributions   of   principal   in   a   prescribed sequence,   that   do   not   have   predetermined   schedules   and   that generally    are    designed    to    receive    distributions    of    principal continuously from the first Distribution Date on which they receive principal until they are retired.  Sequential Pay Classes may receive principal    distributions    concurrently    with    one    or    more    other Sequential Pay Classes. Series.........................................................  A   series   of   Securities   issued   pursuant   to   the   terms   of   a   Trust Agreement and, if applicable, MX Trust Agreement and having the numerical   or   other   designation   specified   in   the   related   Trust Agreement and any related MX Trust Agreement. Single REMIC Series ................................  A Series that establishes one or more single tier Trust REMICs. 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).