# Utilities Act 2000, Paragraph 8


(1) The application of the seal of the Authority to a statutory instrument shall be authenticated by the signature of the chairman or by some other person who has been authorised by the Authority to act for that purpose.
(2) A document purporting to be duly executed under the seal of the Authority, or signed on its behalf, shall be received in evidence and, unless the contrary is proved, be taken to be so executed or signed.

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Source: https://www.legislation.gov.uk/ukpga/2000/27/schedule/1/paragraph/8 (the official version)
Page: https://openlegislation.uk/utilities-act-2000/schedule-1/paragraph-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.