# Clean Air Act 1993, Paragraph 18


An order varying a previous order so as to exempt specified buildings or classes of building or specified fireplaces or classes of fireplace from the operation of section 18 may come into operation on, or at any time after, the date of its confirmation.

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Source: https://www.legislation.gov.uk/ukpga/1993/11/schedule/5/paragraph/18 (the official version)
Page: https://openlegislation.uk/clean-air-act-1993/schedule-5/paragraph-18
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.