This document serves as a formal legal instrument to establish the specific commencement date for provisions of the Town and Country Planning Act 1971 within the administrative area of South Glamorgan. The order is issued by the Secretary of State for Wales, exercising statutory powers granted under the primary legislation. It functions as a regulatory mechanism to transition legal authority and planning jurisdiction to local government bodies in the specified region.

Legal professionals and researchers utilize this document as a primary source for verifying the timeline of legislative implementation in Welsh administrative history. It is a technical, bureaucratic text intended for archival and regulatory reference rather than general reading.