"Referees already have a process which is by way of conversation to coaches to warn them before removing them from the technical area after poor behaviour," said A-League head Greg O'Rourke. "Essentially, this trial will visualise those steps and as such better communicate to fans that the referees are giving the coaches and others formal warnings. "It will help fans and viewers better understand the issues that match officials face on a weekly basis and help promote respect towards them," added O'Rourke. "Importantly it will send a strong message throughout the game at grassroots level that poor behaviour towards match officials and opposition team officials is unacceptable and carries consequences. "The trial is part of the IFAB's global "Play Fair" initiative which aims to make football more attractive and more enjoyable, promoting players and officials as positive role models.Yellow and red cards for players were trialled at the 1970 World Cup in Mexico and have become an accepted part of the game.

Source: Egypt Today October 31, 2017 11:15 UTC