# The Work at Height Regulations 2005, Paragraph 2


A fall arrest system shall not be used in a manner—
(a) which involves the risk of a line being cut;
(b) where its safe use requires a clear zone (allowing for any pendulum effect), which does not afford such zone; or
(c) which otherwise inhibits its performance or renders its use unsafe.

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Source: https://www.legislation.gov.uk/uksi/2005/735/schedule/5/part/4/paragraph/2 (the official version)
Page: https://openlegislation.uk/work-at-height-regulations-2005/schedule-5/part-4/paragraph-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.