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More tests for referee system

Refereeing

UEFA will continue testing a referee communication system at this week's UEFA Champions League ties.

Rest of the season
UEFA is conducting tests over the rest of the season on the system - featuring an open microphone and an earphone - which allows the assistants and fourth official to communicate with the referee and vice versa, as well as to hear what is being said on the pitch. A full battery of tests are under way following a UEFA Referees' Committee proposal stressing the importance of them being carried out at the highest level.

Quicker exchange
UEFA said: "The referee communication system, aimed at allowing a quicker exchange of information, could be of help in several situations, such as substitutions, additional time, the identity of a cautioned player and fouls which occur out of the sight of the referee. The system is a closed circuit and will not be used in any way for television broadcast."

Awaiting results
The system is already used in France and Scotland, and depending on the results of the tests, UEFA will decide whether or not to extend its use for its leading competitions. "UEFA is in favour of technological help, provided it has no incidence on the fluidity of play and provided it could not undermine the authority of the referee," UEFA added.