quantified emission limitation or reduction commitments, expressed in tonnes of carbon dioxide equivalent, for the purpose of determining the emission levels allocated to the Community and its Member States subject to Article 4 of the Kyoto Protocol

Commission Decision of 14 December 2006 determining the respective emission levels allocated to the Community and each of its Member States under the Kyoto Protocol pursuant to Council Decision 2002/358/EC, http://eur-lex.europa.eu/legal-content/EN/TXT/PDF/?uri=CELEX:32006D0944&from=EN

emission levels