This document investigates the specific regulatory adjustments required for the membership and procedural governance of Regional and District Health Authorities within the National Health Service in England and Wales. The text serves as a formal legislative amendment, detailing the legal modifications to existing health authority structures as established by the Secretary of State for Health. It provides the precise legal language necessary for the implementation of administrative changes within the NHS framework during the 1990 fiscal period.

Legal professionals and administrative researchers utilize this document as a primary source for tracking the evolution of NHS governance structures. It is considered a technical reference tool for those studying the history of health policy and statutory regulation in the United Kingdom.