# Weights and Measures Act 1985, Paragraph 3

Extent: E+W+S

Notwithstanding anything in paragraph 2 above, liquid fuel—
(a) when not pre-packed may be sold by volume, and
(b) may be pre-packed in a container marked with an indication of quantity by volume,
being in either case the volume of the gas which would be produced from the fuel in question at such temperature and such atmospheric pressure as are specified in regulations made by the Secretary of State with respect to fuel of the type in question or, if no such regulations are in force, as may be made known by the seller to the buyer before he pays for or takes possession of the fuel; and there shall be exempted from all requirements of paragraph 2 above goods of any description in a quantity of less than 250 grams or of less than 250 millilitres.

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Source: https://www.legislation.gov.uk/ukpga/1985/72/schedule/6/paragraph/3 (the official version)
Page: https://openlegislation.uk/weights-and-measures-act-1985/schedule-6/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.