# The Welfare of Battery Hens Regulations 1987, Paragraph 9


More than three tiers of cages shall not be used unless suitable devices or measures make it possible to inspect thoroughly all tiers without difficulty.

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Source: https://www.legislation.gov.uk/uksi/1987/2020/schedule/paragraph/9 (the official version)
Page: https://openlegislation.uk/welfare-of-battery-hens-regulations-1987/schedule/paragraph-9
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.