This document establishes the legal framework and regulatory requirements for alternative methods of charging for gas supply in Great Britain. The regulations were enacted by the British government to define the parameters under which gas suppliers may implement non-standard billing or metering practices. It serves as a formal instrument to ensure consumer protection and operational transparency within the energy sector.

Legal professionals and energy sector compliance officers utilize this text as a foundational regulatory reference for historical billing standards. Experts note that while the document is highly technical, it remains a critical component for understanding the evolution of utility law in the United Kingdom.