The beep signal system is an additional signal which is only used to gain the referee’s attention. Situations when the signal beep may be useful include:
offences (outside the view of the referee)
throw in, corner kick, goal kick or goal (tight decisions)
Electronic communication system
Where an electronic communication system is used, the referee will advise the ARs as to when it may be appropriate to use the communication system with, or instead of, a physical signal.
The AR’s flag must always be unfurled and visible to the referee. This usually means the flag is carried in the hand closest to the referee. When making a signal, the AR stops running, faces the field of play, makes eye contact with the referee and raises the flag with a deliberate (not hasty or exaggerated) motion. The flag should be like an extension of the arm. The ARs must raise the flag using the hand that will be used for the next signal. If circumstances change and the other hand must be used, the AR should move the flag to the opposite hand below the waist. If the AR signals that the ball is out of play, the signal must be maintained until the referee acknowledges it.
If the AR signals for a sending-off offence and the signal is not seen immediately:
if play has been stopped, the restart may be changed in accordance with the Laws (free kick, penalty kick, etc.)
if play has restarted, the referee may still take disciplinary action but not penalise the offence with a free kick or penalty kick
As a general rule, the AR should not use obvious hand signals. However, in some instances, a discreet hand signal may assist the referee. The hand signal should have a clear meaning which should have been agreed in the pre-match discussion.
See Law 6 for diagrams of signals
Corner kick/goal kick
When the ball wholly passes over the goal line the AR raises the flag with the right hand (better line of vision) to inform the referee that the ball is out of play and then if it is:
When the ball clearly passes over the goal line the AR does not need to raise the flag to indicate that the ball has left the field of play. If the goal kick or corner kick decision is obvious, it is not necessary to give a signal, especially when the referee gives a signal.
The AR must raise the flag when a foul or misconduct is committed in the immediate vicinity or out of the referee’s vision. In all other situations, the AR must wait and offer an opinion if it is required and then inform the referee what was seen and heard, and which players were involved.
Before signalling for an offence, the AR must determine that:
When an offence occurs which requires a signal from the AR, the AR must:
raise the flag with the same hand that will also be used for the remainder of the signal – this gives the referee a clear indication as to who will be awarded the free kick
make eye contact with the referee
give the flag a slight wave back and forth (avoiding any excessive or aggressive movement)
The AR must use the “wait and see technique” to allow play to continue and not raise the flag when the team against which an offence has been committed will benefit from the advantage; it is therefore very important for the AR to make eye contact with the referee.
Fouls inside the penalty area
When a foul is committed by a defender inside the penalty area out of the vision of the referee, especially if near to the AR’s position, the AR must first make eye contact with the referee to see where the referee is positioned and what action has been taken. If the referee has not taken any action, the AR must signal with the flag, use the electronic beep signal and then visibly move down the touchline towards the corner flag.
Fouls outside the penalty area
When a foul is committed by a defender outside the penalty area (near the boundary of the penalty area), the AR should make eye contact with the referee, to see the referee’s position and what action has been taken, and signal with the flag if necessary. In counter-attack situations, the AR should be able to give information such as whether or not a foul has been committed and whether a foul was committed inside or outside the penalty area, and what disciplinary action should be taken. The AR should make a clear movement along the touchline towards the halfway line to indicate when the offence took place outside the penalty area.
Goal – no goal
When it is clear that the ball has wholly passed over the goal line in the goal, the AR must make eye contact with the referee without giving any additional signal.
When a goal has been scored but it is not clear whether the ball has passed over the line, the AR must first raise the flag to attract the referee’s attention and then confirm the goal.
The first action of the AR for an offside decision is to raise the flag (using the right hand, giving the AR a better line of vision) and then, if the referee stops play, use the flag to indicate the area of the field of play in which the offence occurred. If the flag is not immediately seen by the referee, the AR must maintain the signal until it has been acknowledged or the ball is clearly in the control of the defending team.
If the goalkeeper blatantly moves off the goal line before the ball is kicked and prevents a goal from being scored, the AR should indicate the encroachment according to the pre-match instructions from the referee.
Once the AR has been informed (by the fourth official or team official) that a substitution is requested, the AR must signal this to the referee at the next stoppage.
When the ball wholly passes over the touchline:
near to the AR – a direct signal should be made to indicate the direction of the throw-in
far from the AR and the throw-in decision is an obvious one – the AR must make a direct signal to indicate the direction of the throw-in
far from the AR and the AR is in doubt about the direction of the throw-in – the AR must raise the flag to inform the referee that the ball is out of play, make eye contact with the referee and follow the referee’s signal