Law No. 21 on energy efficiency of buildings and promoting the use of renewable energies. Country/Territory Andorra Document type Legislation Date 2013 Source FAO, FAOLEX Subject Energy, Environment gen. Keyword Energy conservation/energy production Renewable energy Sustainable development Ecofriendly products/ecofriendly processes Geographical area Europe, Southern Europe Entry into force notes This Law came into force on 31 October 2013. Abstract This Law sets forth the framework for the promotion of energy saving in buildings. In the context of sustainable development, the Law promotes the use of renewable sources of energy both in existing buildings and in new buildings. Article 6 specifies the aids encompassed under this Law. Full text Catalan Website www.bopa.ad