Automatic number plate recognition - Police Manual chapter
Automatic Number Plate Recognition (ANPR) is a technology used to automatically read motor vehicle number plates by use of optical character recognition. Police uses ANPR technology for a range of enforcement, staff safety and public safety purposes. This chapter sets out policy principles for the collection, retention, use and disposal of Police owned number plate information (NPI); Police use of NPI collected by third party operators; guidance and examples of approved ANPR use; and the Governance and Assurance Reporting model.