The host association must ensure that the stadium is equipped with floodlights, guaranteeing the average level of horizontal illuminance is at least 1,500 Eh (lux) and the uniformity ratios is U1 > 0.5 and U2 > 0.7. The average level of vertical illuminance must be at least 1,250 Ev (lux) and the uniformity ratios must be U1 > 0.4 and U2 > 0.5.