# The Hydrocarbon Oil (Marking) Regulations 2002, Regulation 9: Use of composite solution

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

Any oil , biodiesel or bioblend may be marked by the addition to it of a solution containing the markers.

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Source: https://www.legislation.gov.uk/uksi/2002/1773/regulation/9 (the official version)
Page: https://openlegislation.uk/hydrocarbon-oil-marking-regulations-2002/regulation-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.