# Channel Tunnel Act 1987, Paragraph 4


If by reason of the construction of any specified work the efficiency of any drainage work for land drainage purposes is impaired or that work is otherwise damaged, such damage shall be made good by the appropriate authority to the reasonable satisfaction of the drainage authority and, if the appropriate authority fail to do so, the drainage authority may make good the same and recover from the appropriate authority the expense reasonably incurred by them in so doing.

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Source: https://www.legislation.gov.uk/ukpga/1987/53/schedule/7/part/VII/paragraph/4 (the official version)
Page: https://openlegislation.uk/channel-tunnel-act-1987/schedule-7/part-VII/paragraph-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.