The second referee controls the work of the scorers and assists them if necessary. He also keeps order on the benches and warm-up areas.
He authorizes and controls game interruptions (time-outs, substitutions). The second team time-out and fifth and sixth substitution of each team is reported to the first referee and the coach concerned by the second referee.
The second referee may whistle faults (In, Out) if the first referee is in no position to see it. Under no circumstances may he whistle ball handling faults.
In case of injuries, the second referee allows an exceptional substitution or, if necessary, the 3-minute recovery time.
If the first referee is no longer able to fulfil his duties during the match, the second referee may take his position.
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