# The Railways (Interoperability) Regulations 2011, Paragraph 1.2


Reliability and availability
The monitoring and maintenance of fixed or moveable components that are involved in train movements must be organised, carried out and quantified in such a manner as to maintain their operation under the intended conditions.

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Source: https://www.legislation.gov.uk/uksi/2011/3066/schedule/2/paragraph/1.2 (the official version)
Page: https://openlegislation.uk/railways-interoperability-regulations-2011/schedule-2/paragraph-1.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.