# Hydrocarbon Oil Duties Act 1979, Section 20AC: Determination by Commissioners of composition of substance

Extent: E+W+S+N.I.

(1) The Commissioners may, for any prescribed purpose, determine in such way as they consider appropriate the proportion of any substance that is biodiesel or bioethanol.
(2) In subsection (1) “prescribed purpose” means a purpose, prescribed by regulations made by the Commissioners, that relates to any duty under this Act.

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Source: https://www.legislation.gov.uk/ukpga/1979/5/section/20AC (the official version)
Page: https://openlegislation.uk/hydrocarbon-oil-duties-act-1979/section-20AC
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.