A Circular dated 5 June 2013 (BO 2013-11 dated 25 June 2013) defines the implementation conditions of the Order dated 25 January 2013 (coming into force on 1st July 2013) relating to night lighting of non-residential buildings which aims at limiting obtrusive light and energy consumption. This Circular specifies in particular that except in cases in which a special exemption has been granted:
- internal lighting of premises for professional use will have to be switched off an hour after the end of the occupation of the said premises;
- buildings' façade lighting shall be switched off at 1am at the latest;
- shop or exhibition windows' lighting will be switched off at 1am at the latest, or an hour after the end of the occupation of the said premises if it occurs later;
- shop or exhibition windows' lighting could be switched on as from 7am or an hour before the beginning of the activity if it occurs sooner.