This document establishes the legal framework and specific regulatory amendments governing the terms of service for personnel within the British Army as of 1980. The text is authored by the government of Great Britain, serving as an official statutory instrument to clarify enlistment, discharge, and service extension protocols. It provides the necessary legal definitions and procedural requirements for maintaining the administrative integrity of the armed forces during this period.

Legal professionals and military historians utilize this text as a primary source for understanding the administrative evolution of British military personnel policy. The prose is highly technical and dense, intended specifically for regulatory compliance and historical reference rather than general readership.