# The Water Protection Zone (River Dee Catchment) Designation Order 1999, Paragraph 2


The site and vessel map required by paragraph 1(a) shall be a map reproduced from, or based upon, an Ordnance Survey map with a scale of not less than 1 to 10,000, which identifies the site to which the claim relates and any area of the site where a controlled substance has been kept or used in a vessel at any time during the establishment period and which shows National Grid lines and reference numbers.

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Source: https://www.legislation.gov.uk/uksi/1999/915/schedule/paragraph/2 (the official version)
Page: https://openlegislation.uk/water-protection-zone-river-dee-catchment-designation-order-1999/schedule/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.