plotted and analyzed weather products), and recorder charts  (machine  plotted  traces  of  record  information). Form.  These are preprinted paper documents that  use  blank  lines  or  spaces  for  the  entry  of information. REVIEW   QUESTIONS Q1. How are files normally organized? Q2. What term is used to describe a written statement that officially prescribes or establishes policy, methods, or procedures? Q3. By definition, notices are only effective for what maximum period of time? ORGANIZATION OF FILES, DIRECTIVES, AND RECORDS LEARNING  OBJECTIVES:  Describe  how files, directives, and records are organized. Identify  the  basic  format  of  the  Standard Subject  Identification  Code  (SSIC).  Identify the  directive  that  contains  instructions  for assigning  SSICs. Identify the directive that lists effective instructions for major naval commands. In the Navy, both tiles (which may contain official records) and directives are organized according to the Standard Subject Identification Code (SSIC) system. The reference manual used to assign codes for specific subjects is SECNAVINST 5210.11, Department of the Navy File Maintenance Procedures and Standard Subject Identification Codes (SSIC), often referred to as the SSIC manual. Instructions are provided to help you assign a code for any subject. The instruction states that all   Navy   and   Marine   Corps   letters,   messages, directives,  forms,  records,  and  reports  should  be assigned an SSIC by the originator. The SSICs are used as  the  basis  for  filing  all  information  received  or originated as letters, messages, directives, etc. There are thirteen major subject groups in the SSIC system, each designated by the thousands digit(s) in a four- or five-number code, as shown in table 3-1. Each major subject category is broken down into primary subjects, as identified by the hundreds digit of the code. The primary subjects are then broken down into secondary subjects, as identified by the tens digit in Table 3-1.—Major Subject Groups of the SSIC CODES MAJOR SUBJECT GROUP 1000 to 1999 Military Personnel 2000 to 2999 Telecommunications 3000 to 3999 Operations and Readiness 4000 to 4999 Logistics 5000 to 5999 General  Administration  and Management 6000 to 6999 Medicine and Dentistry 7000 to 7999 Financial  Management 8000 to 8999 Ordnance Material 9000 to 9999 Ships Design and Material 10000 to 10999 General Material 11000 to 11999 Facilities and Activities Ashore 12000 to 12999 Civilian Personnel 13000 to 13999 Aeronautical and Astronautical Material the code. The last digit in the code reflects a tertiary (third)  subject.  The  SSIC  manual  assigns  codes  through the secondary subjects in all cases, and through the tertiary subjects in many cases. Codes may be assigned locally by using numbers following a decimal point to further break down or classify a subject.  As an example, the code used for NAVMETOCCOMINST 3142.1 represents the major subject group 3000, for  Operations and Readiness; the primary subject 100, Operations; the  secondary  subject  40,  for  Geophysical  and Hydrographic  or  Mapping,  Charting,  and  Geodesy Support, General; and the tertiary subject 2, for data collection. NAVMETOCCOM assigned the decimal .l to  identify  Pilot  Weather  Reports  (PIREPS).  Letters following the last digit, such as 3142.1A, are used to indicate periodic revisions of instructions. The letters are used in sequential order. You will rarely be required to assign an SSIC to a subject. All incoming naval message traffic and most naval correspondence will contain an SSIC. In message traffic, the SSIC is the five-digit number within double slants following the message classification. You may have seen observations before that have contained the classification line U N C L A S //N03141//. The N means a U.S. Navy SSIC follows, and the 3141 is the SSIC. In naval messages, the code is always expressed as a five-digit number, and only codes down to the tertiary subject-level are used. All naval letters and some memoranda will contain SSICs. Naval letters will contain a four or five-digit SSIC as the first entry in the identification information on the top right side of the page following the letterhead. Figure 3-1 is an example of the standard naval letter format. 3-2