Certain
police powers under the Police and Criminal Evidence Act 1984 (PACE)
were implemented on 1 January 1986. For provisions set out in sections
5, 50 and 55 of the Act, there is a statutory requirement for Chief
Officers of Police to collect and publish statistics monitoring
their use. These provisions cover stops and searches of persons
or vehicles, road checks, detention of persons, and intimate searches
of persons.