The role of the VAR is to assist the referee to determine whether there was an infringement that means a goal should not be awarded. As the ball has crossed the line, play is interrupted so there is no direct impact on the game.
-The referee informs the VAR, or the VAR recommends to the referee that a decision/incident should be reviewed.
-The video footage is reviewed by the VAR, who advises the referee via headset what the video shows.