# Commission Regulation (EU) No 1078/2012 of 16 November 2012 on a common safety method for monitoring to be applied by railway undertakings, infrastructure managers after receiving a safety certificate or safety authorisation and by entities in charge of maintenance (Text with EEA relevance), Division 2.4: The monitoring strategy and plan(s) shall define either quantitative or qualitative indicators or a mixture of both that can:

Extent: E+W+S+N.I.

(a) give early warnings of any deviation from the expected outcome, or assurance that the expected outcome is achieved as planned;
(b) give information about unwanted outcomes;
(c) support decision making.

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Source: https://www.legislation.gov.uk/eur/2012/1078/annex/division/2/division/2.4 (the official version)
Page: https://openlegislation.uk/eu-regulation-2012-1078/annex/division-2/division-2.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.