Chapter 4 – Information Technology

47040.20 LPR Data Retention and Accuracy

• LPR data collected by CDCRCalifornia Department of Corrections and Rehabilitation cameras is stored in CDCRCalifornia Department of Corrections and Rehabilitation’s secure video management system.

  • LPR digital snapshot images uploaded to CDCRCalifornia Department of Corrections and Rehabilitation’s system are maintained for a period of 90 days. After 90 days, the information will be overwritten. Text information converted from digital snapshot images shall be retained for a period of five years.

  • Hot lists (i.e., stored lists of vehicles of interest) uploaded to CDCRCalifornia Department of Corrections and Rehabilitation’s LPR system shall be maintained until the conclusion of the investigation and then manually deleted.

  • LPR footage related to an investigation, litigation, or criminal charges shall be retained in accordance with DOMDepartment Operations Manual subsection 47040.9(b).

• LPR information can only be accessed and downloaded by authorized users with CDCRCalifornia Department of Corrections and Rehabilitation AVSS workstations.

  • Any LPR information downloaded or accessed must be maintained in a secure location.

  • LPR information may be exported for use in an ongoing investigation or as evidence.

  • Any LPR information downloaded or otherwise shared or printed must be destroyed in accordance with current data retention policies found in DOMDepartment Operations Manual Chapter 1, Article 23.

• Records shall be kept of any access given to LPR information; this record must include, at a minimum, the following:

  • The date and time the information is accessed.

  • The license plate number or other data elements used to query the LPR system.

  • The username of the person who accesses the information.

  • The purpose for accessing the information.

• Verification of LPR data accuracy shall be in accordance with this policy.

  • End-users shall attempt to verify LPR matches by visual confirmation using the photo associated with the match event. If the visual confirmation discovers the LPR match was invalid, the end-user shall report the error to the LPR Division Administrator.

  • If feasible, the user should verify an LPR response through the California Law Enforcement Telecommunications System (CLETSCalifornia Law Enforcement Telecommunications System) before taking enforcement action that is based solely on an LPR alert.