</s>104-10088-10074 2025 RELEASE UNDER THE PRESIDENT JOHN F. KENNEDY ASSASSINATION RECORDS ACT OF 1992 SECRET DOHB 70-1-1 CHAPTER III REPRODUCTION 15 November 1974 REPRODUITON PANNEX B RETURN TO CIA 15 November 1978 Background Use Only PANNEX B Do Not Reproduco THE 201 SYSTEM Background Use ONLY PANNEX B Do Not Reproduco Recession: Annex B of Chapter III, CSHB 70-11-1, 27 October 1966 1. INTRODUCTION The 201 system provides a method for identifying a person of specific in- interest to the Operations Directorate for controlling and filling all pertinent information to the operations Directorate and for controlling the following all pertinent subjects of 201 files from various categories of information about them and for producing lists of 201 personnel according to those categories. Only a rela- the following lists of 20 individuals according to these categories. They are for opening a 201 dossier. Not normally subjects of extensive reporting and the following list of individuals according of those categories, only a rel- zations of continuing target interest, or objects or groups of organi- spondence has accumulated. 2. THE 201 SYSTEM REPROPRODUID The principal features of the 201 system are: The 201 Number, a unique number, iee, 201-2344567, assigned to each individual in the system serve to identify file number for reporting on that individual. The B. The 201 System is the official file containing the 201 opening form (Form 831) by the B. B. Dossier reporting on the 201 operating form (form soul history, current status, and prospects. The Master 201 Record, a machine record generated by the opening of a 201. The Master 201 record produces a master file reference for the Main Index and stores. The record produces the master file later may be retrieved for the special index and Index Search Request, as printed as illustrated below: Data data are absent. within the record, succeeding data items or files will be moved up and the rest. crence consolidated. REPROUDUID PRODUCED 0004165

Summary:  
The document details administrative procedures for managing personnel records within intelligence operations, focusing on the "201 system" used by the CIA to track individuals of operational interest. It describes the use of coded identifiers (e.g., IDN numbers, O1 codes) and forms (Form 831, Form 931) for maintaining dossiers on persons under surveillance. The text outlines processes for assigning file numbers, handling dispatches, and categorizing records based on operational relevance. Technical terms such as "DDO" (Directorate of Documents), "ISG" (Intelligence Services Group), and "201 dossier" are referenced as part of a system for managing intelligence-related personnel data. The document includes redacted sections and appears to be administrative or procedural in nature, with no direct mention of John F. Kennedy or the assassination investigation.  

Key People:  
- Individuals of operational interest (diplomats, military attaches, intelligence officers) from specified countries.  
- Desk officers responsible for dossier management.  
- Central Files personnel handling document transfers and restrictions.  
- Directorate of Documents (DDO) staff.  
- Intelligence Services Group (ISG) members.  

Key Locations:  
- Countries mentioned include Egypt, North Vietnam, USSR, and others referenced in the document.  
- CIA headquarters and field stations.  

Key Events:  
- Creation and maintenance of 201 dossiers.  
- Document purging, transfer, and classification procedures.  
- Generation of machine listings for geographic or functional areas.  
- Administrative processes for assigning file numbers and handling dispatches.  

Key Organizations:  
- Central Files (CIA).  
- Directorate of Documents (DDO).  
- Intelligence Services Group (ISG).  
- Operations Directorate (Operations Directorate).  
- Automated Index Section (IPA/S/AIS).  
- Records Management Officers.

JFK Declassified Files

104-10088-10074.pdf

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