Law on Economical and Efficient Use of Energy No: 50/2010/QH12 (as regulated by Decree 21/2011/ND-CP on the Law on Economical and Efficient Use of Energy and Measures for its Implementation)

Vietnam's Law on energy efficiency covers all areas of the economy, and specifically:
 - The industrial sector, including users and producers of energy, through to cottage industries
 - The transport sector, including amongst others the manufacturers and importers of transport equipment and vehicles; and the national transport infrastructure
 - The agricultural sector, including the development of irrigation
 - The service and domestic sectors
 - Across state-funded investment projects and agencies
 
 Further, it promotes:
 - Measures to promote economical and efficient use of energy, including scientific and technological development
 - The development of education and consultancy services in the energy sector
 
 Finally it sets out the state's responsibilities for the economical and efficient use of energy.
 
 Decree 21/2011/ND-CP on the Law on Economical and Efficient Use of Energy and Measures for its Implementation assists in the regulation of the law. It contains five key chapters focusing on:
 - The nationwide uniform application of statistical indicators on energy use within the national statistical indicator system (including the creation of a national energy database)
 - Identification and management of major energy users to ensure economical and efficient energy use
 - Economical and efficient use of energy in state budget-funded agencies and units
 - The introduction of mandatory energy labelling for devices and equipment
 - Energy audits, the development of a national target programme on economical and efficient use of energy, and tax and other incentives for energy efficient manufacturers and products
 
 The mandatory energy labelling regulations are specified further in Circular No. 07/2012/TT-BCT (2012).