# Commission Regulation (EU) No 139/2014 of 12 February 2014 laying down requirements and administrative procedures related to aerodromes pursuant to Regulation (EC) No 216/2008 of the European Parliament and of the Council (Text with EEA relevance), Division (a): The aerodrome operator shall establish procedures on the level of consumption of alcohol, psychoactive substances and medicines by:

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

(1)personnel involved in the operation, rescue and firefighting, and maintenance of the aerodrome;
(2)unescorted persons operating on the movement area or other operational areas of the aerodrome.

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Source: https://www.legislation.gov.uk/eur/2014/139/annex/III/division/3/division/7/division/a (the official version)
Page: https://openlegislation.uk/eu-regulation-2014-139/annex-III/division-3/division-7/division-a
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.