# The Renewables Obligation Order (Northern Ireland) 2009, Paragraph 4: Calculating the percentage difference


The mixed value method must not be used for the purposes of paragraph 2 unless the bioliquid is described in the first column of a table in Part D or Part E of Annex 5 to the Renewables Directive.

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Source: https://www.legislation.gov.uk/nisr/2009/154/schedule/A1/paragraph/4 (the official version)
Page: https://openlegislation.uk/renewables-obligation-order-northern-ireland-2009/schedule-A1/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.