</s>204-1046-10139 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 ANNEX B THE 201 SYSTEM Recision: Annex B of Chapter III, CSHB 70-11, 27 October 1966 1. INTRODUCTION The 201 system provides a method for identifying a person of specific in- terest to the Operations Directorate for controlling and filling all pertinent information about this person. The system also provides a means for identifying subjects of 201 files from various categories of information about them and for information about that person. Also includes a series of rules and guidelines for identifying tively small files from individuals interested in sufficient interest to justify information about the system also included in the following statements. CI investigation, prospective agents and sources, members of groups and organizations, tions of continuing target agents, or subjects of whom a volume of corre- spendence has accumulated. 2. THE 501 SYSTEM: The principal features of the 201 system are: The 201 Number: a unique file number, ie, 201-1234567, assigned to each individual in the system to serve as identifying file number for reporting on that individual in this system to ensure that the official file contains the 201 opening form (Form 831) and all biographical reporting on references to the individual, ie ., per- sonal history, current status, and prospects. a. The 201 System: The official file containing the 201 Opening form (form a. A. The Master Data Record, a machine record generated by the opening of a. the Master Data: a machine reference for the Main Index and stores the pertinent information which may may be retired for special listings. d. Main Index Master 201 Reference: printed in reply to an Intex Search Request is printed as illustrated below. When data is absent within the record, it is printed in illustrated below, printed as indicated data and absent errento considered. 23 SECRET

**201 Dossier System**

The 201 dossier system is a file maintained on individuals of operational interest to the Operations Directorate, providing a means for identifying subjects from various categories of information. A unique 201 number is assigned to each individual, serving as an identifying file number.

**Key Points:**

* The 201 dossier contains various forms and documents, including Form 831, biography information, personal record questionnaire, operational approvals, name checks, and secrecy agreements.
* Requests for information on 201 personalities are made to the Automated Index Section (IPA/S), which provides the identity of the subject and the assigned number.
* A 201 file may be cancelled by a Records Officer after coordination, with the file forwarded to the Director for destruction and reclassification.

**Related Individuals:**

* John F. Kennedy: No direct mention or connection to JFK or his assassination in the provided summaries.
* Cuban Desk: Established on February 15, 1960, with a handbook mentioning a "dramatistic persona" and tracking persons with little data.
* RID (Research and Intelligence Division): Responsible for assigning 201 code numbers and IDN numbers.

**Dates and Locations:**

* February 15, 1960: Establishment of Cuban Desk
* February 15, 1968: Revision of Handbook No. 43-11-1

**Organizations and Agencies:**

* RID (Research and Intelligence Division)
* CS (Clandestine Services)

JFK Declassified Files

104-10406-10139.pdf

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