A giant screen reports an incident is being investigated by VAR (Video Assistant Referee) during the Confederations Cup, Group B soccer match between Germany and Cameroon (File Photo: AP)
FIFA has briefed coaches on how video assistant referees should operate at this year's World Cup.
All that's now required is official approval of VARs for the June 14-July 15 tournament in Russia.
Although some trials have created additional confusion in games, soccer's most significant adoption of technology is set to be formally voted into the laws of the game at a meeting on Saturday.
After a pre-World Cup workshop in Sochi, Iran coach Carlos Quieroz says it is ''obvious football cannot keep going with its eyes closed to the modern world and what is going on around us.''
The International Football Association Board is the guardian of soccer laws. FIFA has half of the eight votes, with the four British home nations holding the others. Six votes are required to amend the laws.