</s>204-10143-10088 2025 RELEASE UNDER THE PRESIDENT JOHN F. KENNEDY ASSASSINATION RECORDS ACT OF 1992 SECRET DOHB 70-1-1 CHAPTER III 15 November 1974 ANNEX B THE 201 SYSTEM ANNEX B Recession: Annex B of Chewes, C.C. 1. INTRODUCTION: REPROBUCTION 27 October 1968 REPROBUTION The 201 system, pro-PROBUTION: A person of specific in- terest to the Operation that provides for controlling and filing all pertinent information about that person. The System also provides a means for identifying information about the person, also provides means for identifying producing lists of 201 personalities according to those categories. Only a rela- tively small number of personnel indexed are not of sufficient interest to justify tively small numbers of individuals who are not interested in identifying CT investigation, prospective agents and sources, members of groups or groups of organi- zations of continuing target interest, or subjects on whom a volume of corre- spendence has accumulated. 2. THE 201 SYSTEM The principal features of the 201 system are: The 201 Number: a unique number, i.e. -201-1234567, assigned to each individual and the system to serve to identify the number for reporting on that individual and all the system is to serve as identifying the number of reporting on the b. The 201 System: the official information for the 2001 opening form (Form (381) in all biographies, the official ond referred to the individual, ie, per- sonal history, current and referred to REPROPRIOTION: The Master 201 Information: A record generated by the opening of the a 201. The Master 201 information which may later be retrieved for the Main Listings and storers the pertinent information which later may be retrieved by special listings. d. Main Index Master 201 Reference: this reference, printed in reply to an Index Search Request, is printed as illustrated below. When not absent within the record, succeeding data items or lines will be moved up and the ref- exercice concluded. 23 SECRET 0001763 FACES COPY NO.

Summary  
The document details a classified internal system (201 System) used by government agencies for tracking personnel files, emphasizing procedures for creating, maintaining, and accessing dossiers with unique identifiers (e.g., 201-1234567). It outlines security protocols for handling restricted information, administrative controls for transferring or canceling records, and mechanisms for indexing, categorization, and retrieval of data. The text references forms, codes, and operational guidelines for managing files related to individuals of interest, including restrictions on dissemination and retention policies. A separate document provides classification guidelines for sensitive personnel listings in intelligence operations, specifying prohibited data types such as social security numbers (SSNs) or specific birth years. It details procedures for sorting standard and non-standard lists by surname, location, or occupation codes and references intelligence agencies and personnel categories, including diplomats, military attaches, and intelligence officers from Germany, Mexico, Cuba, the USSR, and Israel.  

Key People  
- Diplomats (General Intelligence Department [GID], British M.I.S./M.L.S., Irish IMIS, Canadian officials)  
- Military attaches and assistants  
- Intelligence officers (USSR, Cuba, Israel, North Vietnam)  
- Students studying abroad at higher learning institutions  

Key Locations  
- Germany (birth years 1915–2015)  
- Mexico (United States-based individuals)  
- United Nations locations (New York, Paris, Geneva, Vienna)  
- USSR (Aeroflot, national organizations)  

Key Events  
- Establishment of classification criteria for personnel listings  
- Procedures for sorting and managing standard/non-standard lists  
- Guidelines for handling sensitive data (e.g., SSNs, birth years)  
- Operational requirements for special listings and requests  

Key Organizations  
- General Intelligence Department (GID)  
- British Military Intelligence (M.I.S./M.L.S.)  
- Irish Military Intelligence Service (IMIS)  
- Royal Canadian Mounted Police (RCMF)  
- Cuban Intelligence Services (DSE, DGJ)  
- Israeli intelligence and diplomatic entities  
- USSR national organizations (Aeroflot)  
- United Nations offices  

Note: No content related to John F. Kennedy, the assassination, or associated investigations is present in the provided summaries.

JFK Declassified Files

104-10143-10088.pdf

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