This document establishes the specific date upon which the provisions of the Official Secrets Act 1989 were enacted into law. The text serves as a formal legal instrument issued by the United Kingdom government to provide the necessary commencement authority for the primary legislation. It functions as a technical administrative record to ensure the legal enforceability of the Act's provisions within the British judicial system.

Legal professionals and researchers utilize this document as a primary source for verifying the timeline of legislative enactment in the United Kingdom. It is considered a standard administrative record rather than a substantive legal analysis.