This document establishes the legal framework and constitutional amendments for the Special Hospitals Service Authority within the National Health Service of England and Wales. The text serves as a formal legislative instrument, detailing the administrative adjustments required to manage high-security psychiatric facilities. It provides the regulatory basis for the governance structure, operational oversight, and legal authority of the body responsible for these specialized medical institutions.

This document is a primary source intended for legal professionals, policy researchers, and administrative historians. Experts utilize this text as a foundational reference for understanding the evolution of NHS governance structures during the 1990s.