# The Denatured Alcohol Regulations 2005, Paragraph 5

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

When making denatured alcohol in accordance with a formulation specified in paragraph 1, 2 or 3, water may be mixed with the alcohol before denaturing or with the denatured alcohol but the quantity of water added must not reduce the proportion or quantity of denaturing substances ... in the resulting mixture below the proportions or quantities specified in the formulation; and for the purpose of ascertaining the proportion or quantity of denaturing substances ... in any such mixture the water shall be treated as if it were alcohol.

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Source: https://www.legislation.gov.uk/uksi/2005/1524/schedule/paragraph/5 (the official version)
Page: https://openlegislation.uk/denatured-alcohol-regulations-2005/schedule/paragraph-5
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.