This document establishes the legal requirements for the maximum sulphur content permitted in gas oil used as motor fuel within the United Kingdom. The regulations were drafted by the British government to align national standards with European Economic Community directives regarding air quality and emissions control. It serves as a formal legislative instrument to amend existing fuel quality specifications.

Legal professionals and industry compliance officers utilize this text as a primary source for historical regulatory standards in the UK energy sector. It is recognized as a technical legislative document intended for administrative and legal reference rather than general reading.