1. Directive 2009/28/EC of the European Parliament and of the Council of 23 April 2009 on the promotion of the use of energy from renewable sources and amending and subsequently repealing Directives 2001/77/EC and 2003/30/EC. Official Journal of the European Union, 5 June 2009
2. Woltjer G, Daioglou V, Elbersen B, Ibañez GB, Smeets E, Sánchez González D, Barnó HG (2017) Study report on reporting requirements on biofuels and bioliquids stemming from the directive (EU) 2015/1513. European Commission
3. Regulation (EC) n. 1069/2009 of the European Parliament and of the Council of 21 October 2009 laying down health rules as regards animal by-products and derived products not intended for human consumption and repealing Regulation (EC) n. 1774/2002 (Animal by-product Regulation). Official Journal of the European Union, 14 November 2009
4. Decree n. 123 of the Ministry of the Environment and the Protection of the Territory and of the Sea of 19 May 2016. Regulation introducing raw or refined products consisting predominantly of animal glycerides in Annex X, Part II, Section 4, Paragraph 1, to the part fifth of the legislative decree n. 152 of 3 April 2006. Official Journal of the Italian Republic n. 158, 8 July 2016
5. Technical standard UNI/TS 11163 of March 2018. Liquid biofuels – Animal and vegetable oils and fats and their intermediates and derivates and recycled used cooking oils and fats – Classification and specifications for energy use or for biodiesel production