# The Carbon Accounting (Provision for 2018) Regulations 2020, Paragraph 2


The domestic aviation cap (“DAC”), expressed in tonnes of carbon dioxide equivalent, is calculated as follows—
where—
(a) E is the arithmetic mean of the EEA aviation emissions for each of the years 2004, 2005 and 2006;
(b) F is domestic aviation emissions for 2010; and
(c) G is EEA aviation emissions for 2010.

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Source: https://www.legislation.gov.uk/uksi/2020/115/schedule/paragraph/2 (the official version)
Page: https://openlegislation.uk/carbon-accounting-provision-for-2018-regulations-2020/schedule/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.