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104-10087-10054 JFK Assassination Records Archives 1 (11/15/1974)

handle is hein.jfk/jfkarch09327 and id is 1 raw text is: 104.10087-10054


     DOHB   70-1-1
     CHAPTER   III

15 November  1974


                               ANNEX B

                           THE   201  SYSTEM


Rescission: Annex B of                       -f, 27 October 1966

1. INTRODUCTI

    The  201 system prp               for identifying a person of specific in-
terest to the Operations  e  orate and for controlling and filing all pertinent
information about that person. The system also provides a means for identifying
subjects of 201 files from various categories of information about them and for
producing lisits of 201 personalities according to those categories. Only a rela-
tively small number of personalities indexed are of sufficient interest to justify
opening a 201 dossier. These are normally subjects of extensive reporting and
CI investigation, prospective agents and sources, members of groups and organi-
zations of continuing target interest, or subjects on whom a volume of corre-
spondence has accumulated.

2. THE  201 SYSTEM

    The  principal features of the 201- system are:

    a. The 201  Number:  a unique number, i.e., 201-1234567, assigned to each
individual in the system to serve as identifying file ber for reporting on that
individual,                                  it

    b. The 201 Dossier: the o   fl           ang the 201 opening form (Form
831) and  all biographi              1iap ref        the individual, i.e., per-
sonal history, curren             os

    c. The Master  20  Rec      2         ecord generated by the opening of
a 201 file. This record prod        ster 201 reference for the Main Index and
stores the pertinent informati -which may later be retrievedl for special listings.

    d. Main  Index Master 201 Reference: this reference, printed in reply to an
Index  Search Request, is printed as illustrated below. When data are absent
within the record, succeeding data items or lines will be moved up and the ref-
erence consolidated.

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