# Ancient Monuments and Archaeological Areas Act 1979, Paragraph 17


(1) An order varying or revoking a designation order shall describe by reference to a map the area affected by the designation order and (in the case of an order varying a designation order) the reduction of that area made by the order.
(2) The map shall be to such a scale, and the order in such form, as the Secretary of State considers appropriate.

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Source: https://www.legislation.gov.uk/ukpga/1979/46/schedule/2/paragraph/17 (the official version)
Page: https://openlegislation.uk/ancient-monuments-and-archaeological-areas-act-1979/schedule-2/paragraph-17
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.