GLT system is chosen

This summer a hawk-eye goal-line technology (GLT) system will be used for the first time ever in a major European football event. Same as in tennis and cricket, hawk-eye will be installed in all ten stadiums across France. The debut technology will determine whether the ball crossed the goal-line.
UEFA has announced using of GLT in January at the continental championship, while in March it was said to be done the same with the two cup competitions. This system will remain in the sport and will be used for the next season's UEFA Super Cup in Trondheim, Norway. Starting from 2016/17 in the play-off rounds and onwards it will be used in the Champions League matches, while GLT will be implemented in the Europa League year later (beginning from the 2017/18 group stages).
This system includes seven cameras that monitor the flight of the ball, and the referees receive a sign of vibration that a goal is scored. Nevertheless, beside each goals the two additional referees will remain, which they now be 'more focused on the situation in the penalty area', UEFA said in a