This document establishes the legal framework for the designation of approved ports of entry for foreign nationals entering Great Britain under the Aliens Order 1953. The text is a formal statutory instrument issued by the British government, providing the regulatory authority required to manage border control and immigration logistics during the specified period. It serves as a primary source document for understanding the administrative mechanisms of British immigration law in 1970.

This document is utilized primarily by legal historians and researchers focusing on the evolution of British immigration policy. Experts categorize this as a technical administrative record rather than a narrative text, noting its high level of procedural density.