# Regulation (EU) 2018/1139 of the European Parliament and of the Council of 4 July 2018 on common rules in the field of civil aviation and establishing a European Union Aviation Safety Agency, and amending Regulations (EC) No 2111/2005, (EC) No 1008/2008, (EU) No 996/2010, (EU) No 376/2014 and Directives 2014/30/EU and 2014/53/EU of the European Parliament and of the Council, and repealing Regulations (EC) No 552/2004 and (EC) No 216/2008 of the European Parliament and of the Council and Council Regulation (EEC) No 3922/91 (Text with EEA relevance), Division 5.2

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

ATC service provision shall not be undertaken unless the following conditions are met:
(a)the prevention of fatigue of personnel providing an ATC service shall be managed through a rostering system. Such a rostering system needs to address duty periods, duty time and adapted rest periods. Limitations established within the rostering system shall take into account relevant factors contributing to fatigue such as, in particular, sleep deprivation, disruption of circadian cycles, night hours, cumulative duty time for given periods of time and also the sharing of allocated tasks between personnel;
(b)the prevention of stress of personnel providing an ATC service shall be managed through education and prevention programmes;
(c)the ATC service provider shall have in place procedures to verify that the cognitive judgement of personnel providing ATC services is not impaired or their medical fitness insufficient; and
(d)the ATC service provider shall take into account operational and technical constraints as well as human factor principles in its planning and operations.

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Source: https://www.legislation.gov.uk/eur/2018/1139/annex/VIII/division/5/division/5.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2018-1139/annex-VIII/division-5/division-5.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.