DATA BLOCKS D, E, and F. Leave these blocks blank. CARD COLUMNS 1 THROUGH 3 (DOCU- MENT IDENTIFIER). The Document Identifier code is a mandatory entry. It identifies the purpose of the document (requisition, follow-up, modifier, or cancellation). Supply actions, such as follow-ups, modifiers, and cancellations are discussed later in this chapter. To requisition, enter the applicable document identifier as follows: 1. For material for delivery within the Continental United  States  (CONUS)  or  from  an  overseas activity    to    a    Navy    activity    in    the    same geographic  location,  use  one  of  the  following document identifiers: a. AOA when requisitioning with an NSN b. AOD when requisitioning with a DODAC c. AOE when the requisition contains data in the remarks block 2. For material to be delivered from CONUS to an overseas    site,    use    one    of    the    following document identifiers: a. A01 when requisitioning with an NSN b. A04 when requisitioning with a DODAC c. A05 when the requisition contains data in the remarks block Thus,  the  document  identifier  AOD  informs  you that using the item DODAC is requisitioning the item. It also  informs  you  that  both  the  supply  source  and  the requisitioner  are  in  CONUS;  or,  that  both  the  supply source  and  requisitioner  are  in  the  same  geographic location overseas. CARD  COLUMNS  4  THROUGH  6  (ROUTING IDENTIFIER).   The   routing   identifier   identifies   the activity  that  is  to  receive  the  requisition.  The  routing identifier is a mandatory entry. In this case, the routing identifier    P72    identifies    Naval    Weapons    Station, Yorktown, Virginia, as the activity that is to receive the requisition. CARD   COLUMN   7   (MEDIA   AND   STATUS CODE).   The   Media   and   Status   (M&S)   code   is   a mandatory  entry.  It  is  used  to  indicate  the  type  of MILSTRIP status required who is to receive the status, and by what communications media the status is to be furnished.    The    following    three    status    types    are available: 1. Exception   status.   This   status   provides   in- formation  relative  to  any  action  taken  by  the supply   source,   other   than   issuing   of   the material requisitioned. For example, the requisition   is   rejected,   or   the   requisition   is referred to another activity for action. 2. 100 percent supply status. This status provides information relative to any action taken by the supply source, except shipping data. 3. Shipping  status.  This  status  provides  positive advice concerning shipping. This includes date of  shipment,  mode,  bill  of  lading,  or  airway bill. Table  17-1  lists  applicable  M&S  codes.  Ships  or squadrons within 60 days of deployment and deployed units  use  M&S  code  for  all  ammunition  requisitions 17-6 M & S CODE MEANING 3 Exception status to requisitioner by mail. 6 Exception status to requisitioner by message. C (Note 1) 100% supply status to requisitioner by mail. F (Note 1) 100% supply status to requisitioner by message. L Exception supply status plus shipment status to requisitioner by mail. R Exception supply status plus shipment status to requisitioner by message. T (Note 1) 100% supply status plus shipment status to requisitioner by mail. W (Note 1) 100% supply status plus shipment status to requisitioner by message. Note 1: Authorized for use only with priority 01 through 08 requisitions. Table 17-1.—Media and Status (M&S) Codes