Classification Line The  classification  line  is  the  first  line  of the  text  and  immediately  follows  the  BT  that separates   the   heading   and   text. This  line indicates  the  message  classification  and,  when applicable,   special-handling   markings,   codes, or  flag  words. This   line   also   provides   the SSIC. For  United  States  use,  the  three  security classification   designators   are   Confidential, Secret,  and  Top  Secret.  The  acronyms  FOUO (For   Official   Use   Only)   and   EFTO   (Encrypt For  Transmission  Only)  are  not  classification designators. They     are     used     with     the designation  UNCLAS  in  the  classification line. Restricted   Data   and   Formerly   Restricted Data are similar except that they are used with classification   designators. You   can   find information   concerning   the   criteria   and handling  of  FOUO  and  EFTO  messages  in  the Telecommunications   Users   Manual,   NTP  3. Special-Handling  Markings Certain  types  of  messages  require  special handling  in  addition  to  that  provided  by  the security classification. These   special markings  are  placed  in  the  classification  line immediately  following  the  classification. Some  of  the  more  common  special-handling markings  that  you  will  see  are  the  following: l   Special   Category   (SPECAT) l   Limited   Distribution “   PERSONAL   FOR (LIMDIS) S P E C A T    m e s s a g e s    c o m e    i n    t wo variations.  One  type  includes  both  the  general SPECAT  and  the  SPECAT  Single  Integrated Operational    Plan-Extremely Sensitive Information  (SPECAT  SIOP-ESI). The  other  type  of  SPECAT  message  is SPECAT   EXCLUSIVE   FOR   (SEF).   SEF   is used   only   within   the   naval   community   for highly  sensitive  matters,  high-level  policy,  or when  politically  sensitive  information  is  to  be passed  only   to   a   particular   individual.   The classification  line  would  then  contain  the name   of   that   individual.   For   example,   a Secret   message   destined   exclusively   for Admiral  W.  T.  Door  would  read: SECRET   SPECAT   EXCLUSIVE   FOR ADM   W.   T.   DOOR   //N00000// SEF  messages  are  reserved  for  use  by  flag officers   and   officers   in   a   command   status. These  messages  are  not  intended  for  use  in operational   matters,   and   they   may   not   be readdressed  nor  referenced  in  other  narrative messages. SPECAT  messages  are  handled  only  by those   personnel   who   are   authorized   to   view them  as  approved  in  writing  by  the  CO. LIMDIS   messages   are   associated   with special   projects,   cover   names,   or   specific subjects. These   messages   require   limited distribution   within   the   addressed   activity   to those   personnel with  a  need  to  know  and who   are   specifically   authorized   by   the command  to  have  access  to  the  information. Only   classified   messages   qualify   for   the special-handling   marking   LIMDIS.   However, the  classification  is  still  assigned  according  to the  subject  matter. The   classification   line   of a   Secret   LIMDIS   message   would   read S E C R E T    L I M D I S .    P E R S O N A L    F OR messages   may   be   unclassified   or   classified and  are  reserved  for  flag  rank  and  command status  officers.  Distribution  of  these  messages is  limited  to  the  named  recipient  (who  may direct   further   distribution).   In   PERSONAL FOR  messages,  the  classification  line  always shows   the   name   or   title   of   the   intended recipient  and  may  show  the  name  or  title  of the  originator. 3-24