This document establishes the formal legal framework and procedural requirements for police conduct under the Police and Criminal Evidence Act 1984. The text serves as a statutory instrument issued by the United Kingdom government to codify the specific codes of practice that law enforcement officers must adhere to during investigations, arrests, and detentions. It provides the necessary regulatory authority to ensure that police actions remain within the bounds of established legal statutes.

Legal professionals and researchers utilize this document as a primary source for understanding the historical evolution of police procedure in the United Kingdom. It is considered a technical reference text intended for those requiring precise knowledge of the regulatory environment during the early 1990s.