This document establishes the legal framework and constitutional amendments governing the administrative authorities of London's post-graduate teaching hospitals as of 1990. The text is a formal statutory instrument issued by the British government, detailing the specific regulatory changes required to maintain the operational integrity of these medical institutions. It serves as a primary source for understanding the legislative oversight of the National Health Service during this period.

This document is a technical legal instrument intended for use by administrative staff, legal professionals, and historians of the British health system. Readers frequently note the high density of the prose and the specialized nature of the legislative terminology used throughout the text.