This order establishes the formal legal designation and geographical boundaries for specific ports within the United Kingdom. The document, issued by the British government, serves as a statutory instrument to define the administrative limits of maritime entry points in the South West of England. It provides the legal framework necessary for customs, excise, and port authority operations within the named locations.

Legal professionals and maritime historians utilize this document as a primary source for understanding the regulatory framework of British ports during the late twentieth century. It is a technical, administrative text intended for regulatory compliance rather than general readership.