All matches must be played under floodlights. The average level of horizontal illuminance must be at least 1,400 Eh (lux) and the uniformity ratios must be U1 > 0.5 and U2 > 0.7. The average level of vertical illuminance must be at least 1,000 Ev (lux) and the uniformity ratios must be U1 > 0.4 and U2 > 0.5. The host association must provide UEFA with a valid lighting certificate, issued within the 12 months preceding the date of the match in question. All glare ratings (RG) must be less than 50. The pitch illuminance levels should have a colour rendering (Ra) of at least 80.