1. DIRECTIVE 2004/101/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 27 October 2004 amending Directive 2003/87/EC establishing a scheme for greenhouse gas emission allowance trading within the Community, in respect of the Kyoto Protocol’s project mechanisms, Official Journal of the European Union. 13.11.2004.
2. DIRECTIVE 2009/29/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 23 April 2009 amending Directive 2003/87/EC so as to improve and extend the greenhouse gas emission allowance trading scheme of the Community, Official Journal of the European Union 5.6.2009.
3. 2006 IPCC Guidelines for National Greenhouse Gas Inventories. (accessed 17.02.11).
4. 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 5.6.2009.
5. Decree of the Ministry of Economy issued on 14th August 2008 on a particular obligation of obtaining and submitting for cancellation the certificates of origin of electricity and heat from renewable energy sources, and obligation of confirmation of the data about the amounts of electricity and heat produced from a renewable source, Polish Journal of Law No. 156/2008, position 969 (in Polish).