Council Directive 92/104/EECShow full title

Council Directive 92/104/EEC of 3 December 1992 on the minimum requirements for improving the safety and health protection of workers in surface and underground mineral-extracting industries (twelfth individual Directive within the meaning of Article 16 (1) of Directive 89/391/EEC)

7.2.Workplaces outdoors must be adequately lit by artificial lighting if daylight is not adequate.U.K.