# The Nutrient Action Programme Regulations (Northern Ireland) 2019, Paragraph 2


The base of the silo shall, where the silo has retaining walls made other than of earth, extend beyond those walls and shall in all cases be provided with channels so constructed as to collect any silage effluent which may escape from the silo and adequate provision shall be made for the drainage of that effluent from the channels to an effluent tank through a channel or pipe.

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Source: https://www.legislation.gov.uk/nisr/2019/81/schedule/7/paragraph/2 (the official version)
Page: https://openlegislation.uk/nutrient-action-programme-regulations-northern-ireland-2019/schedule-7/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.