Files pertaining to defectors or refugees are retained for 25 years. Files pertaining to CI briefings are retained for 15 years. Record paper copies of CI collection reports are placed on microfilm aperture cards and the paper copy destroyed when aperture cards are determined adequate substitute. Microfilm aperture cards are destroyed after six years, or 25 years if they pertain to counterintelligence activities. CI investigations conducted for other agencies are retained for one year.
Destruction is by pulping, macerating, or burning.
For additional information, contact the system manager.